12652492931 has 16 divisors (see below), whose sum is σ = 13824232800. Its totient is φ = 11510339328.

The previous prime is 12652492921. The next prime is 12652492961. The reversal of 12652492931 is 13929425621.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12652492931 is a prime.

It is a super-2 number, since 2×12652492931² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12652492921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222005 + ... + 273113.

It is an arithmetic number, because the mean of its divisors is an integer number (864014550).

Almost surely, 2^12652492931 is an apocalyptic number.

12652492931 is a deficient number, since it is larger than the sum of its proper divisors (1171739869).

12652492931 is a wasteful number, since it uses less digits than its factorization.

12652492931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51398.

The product of its digits is 233280, while the sum is 44.

The spelling of 12652492931 in words is "twelve billion, six hundred fifty-two million, four hundred ninety-two thousand, nine hundred thirty-one".