12708640231 has 16 divisors (see below), whose sum is σ = 14946166080. Its totient is φ = 10577779200.

The previous prime is 12708640211. The next prime is 12708640237. The reversal of 12708640231 is 13204680721.

It is a cyclic number.

It is not a de Polignac number, because 12708640231 - 2⁷ = 12708640103 is a prime.

It is a super-2 number, since 2×12708640231² (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 (12708640237) 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, 83631 + ... + 180031.

It is an arithmetic number, because the mean of its divisors is an integer number (934135380).

Almost surely, 2^12708640231 is an apocalyptic number.

12708640231 is a deficient number, since it is larger than the sum of its proper divisors (2237525849).

12708640231 is an equidigital number, since it uses as much as digits as its factorization.

12708640231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96954.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 12708640231 in words is "twelve billion, seven hundred eight million, six hundred forty thousand, two hundred thirty-one".