To which set or sets does the number 12 belong? real numbers and natural numbers only real numbers, whole numbers, and integers real numbers, integers, whole numbers, and natural numbers natural numbers only

First off, let's take a look at what these numbers are:

Real numbers: It can be any numbers,both rational and irrational.

Natural numbers: The number has to be integer and positive.

Integers: A number without fraction or demical place.

Whole number: The number has to be natural and cannot be negative.

Therefore, as 12 is a positive number with no demical place or fraction, it is real numbers,integers, whole numbers, and natural numbers.

Hope it helps!