12716662432 has 24 divisors (see below), whose sum is σ = 25063589376. Its totient is φ = 6351306432.

The previous prime is 12716662417. The next prime is 12716662447. The reversal of 12716662432 is 23426661721.

It is an interprime number because it is at equal distance from previous prime (12716662417) and next prime (12716662447).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190048 + ... + 248095.

It is an arithmetic number, because the mean of its divisors is an integer number (1044316224).

Almost surely, 2^12716662432 is an apocalyptic number.

It is an amenable number.

12716662432 is a deficient number, since it is larger than the sum of its proper divisors (12346926944).

12716662432 is an equidigital number, since it uses as much as digits as its factorization.

12716662432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439060 (or 439052 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The spelling of 12716662432 in words is "twelve billion, seven hundred sixteen million, six hundred sixty-two thousand, four hundred thirty-two".