Final answer:
The number -5 belongs to the set of integers, -2.16666... belongs to the set of rational numbers, 12 belongs to the sets of integers and whole numbers, and 0 belongs to the sets of integers and whole numbers.
Step-by-step explanation:
The number -5 belongs to the set of integers because it is a whole number that can be positive or negative.
The number -2.16666... belongs to the set of rational numbers because it can be expressed as a fraction of two integers.
The number 12 belongs to the set of integers and also to the set of whole numbers because it is a positive whole number.
The number 0 belongs to the set of integers and also to the set of whole numbers because it is a whole number.