12616618992 has 40 divisors (see below), whose sum is σ = 33350913024. Its totient is φ = 4107735744.

The previous prime is 12616618967. The next prime is 12616619017. The reversal of 12616618992 is 29981661621.

It is an interprime number because it is at equal distance from previous prime (12616618967) and next prime (12616619017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054288 + ... + 3058415.

Almost surely, 2^12616618992 is an apocalyptic number.

12616618992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12616618992 is an abundant number, since it is smaller than the sum of its proper divisors (20734294032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12616618992 is a wasteful number, since it uses less digits than its factorization.

12616618992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112757 (or 6112751 counting only the distinct ones).

The product of its digits is 559872, while the sum is 51.

The spelling of 12616618992 in words is "twelve billion, six hundred sixteen million, six hundred eighteen thousand, nine hundred ninety-two".