712815508136 has 32 divisors (see below), whose sum is σ = 1418416793640. Its totient is φ = 334667870208.

The previous prime is 712815508117. The next prime is 712815508147. The reversal of 712815508136 is 631805518217.

It can be written as a sum of positive squares in 4 ways, for example, as 707795785636 + 5019722500 = 841306^2 + 70850^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5993411 + ... + 6111186.

Almost surely, 2^712815508136 is an apocalyptic number.

It is an amenable number.

712815508136 is a deficient number, since it is larger than the sum of its proper divisors (705601285504).

712815508136 is a wasteful number, since it uses less digits than its factorization.

712815508136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12105053 (or 12105049 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 712815508136 in words is "seven hundred twelve billion, eight hundred fifteen million, five hundred eight thousand, one hundred thirty-six".