712700138125 has 20 divisors (see below), whose sum is σ = 892767894700. Its totient is φ = 568765872000.

The previous prime is 712700138123. The next prime is 712700138141. The reversal of 712700138125 is 521831007217.

It can be written as a sum of positive squares in 10 ways, for example, as 177583016836 + 535117121289 = 421406^2 + 731517^2 .

It is not a de Polignac number, because 712700138125 - 2¹ = 712700138123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712700138123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1138410 + ... + 1649659.

It is an arithmetic number, because the mean of its divisors is an integer number (44638394735).

Almost surely, 2^712700138125 is an apocalyptic number.

It is an amenable number.

712700138125 is a deficient number, since it is larger than the sum of its proper divisors (180067756575).

712700138125 is an equidigital number, since it uses as much as digits as its factorization.

712700138125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788498 (or 2788483 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 712700138125 in words is "seven hundred twelve billion, seven hundred million, one hundred thirty-eight thousand, one hundred twenty-five".