12768937031 has 16 divisors (see below), whose sum is σ = 13629065184. Its totient is φ = 11921209344.

The previous prime is 12768937021. The next prime is 12768937033. The reversal of 12768937031 is 13073986721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12768937031 is a prime.

It is a super-2 number, since 2×12768937031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12768937033) 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, 1539311 + ... + 1547583.

It is an arithmetic number, because the mean of its divisors is an integer number (851816574).

Almost surely, 2^12768937031 is an apocalyptic number.

12768937031 is a deficient number, since it is larger than the sum of its proper divisors (860128153).

12768937031 is a wasteful number, since it uses less digits than its factorization.

12768937031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 12768937031 in words is "twelve billion, seven hundred sixty-eight million, nine hundred thirty-seven thousand, thirty-one".