1312625070125 has 16 divisors (see below), whose sum is σ = 1638743886000. Its totient is φ = 1049723262400.

The previous prime is 1312625070059. The next prime is 1312625070151. The reversal of 1312625070125 is 5210705262131.

It can be written as a sum of positive squares in 8 ways, for example, as 731952113764 + 580672956361 = 855542^2 + 762019^2 .

It is not a de Polignac number, because 1312625070125 - 2⁸ = 1312625069869 is a prime.

It is a super-2 number, since 2×1312625070125² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533950 + ... + 2231199.

It is an arithmetic number, because the mean of its divisors is an integer number (102421492875).

Almost surely, 2^{1312625070125} is an apocalyptic number.

It is an amenable number.

1312625070125 is a deficient number, since it is larger than the sum of its proper divisors (326118815875).

1312625070125 is an equidigital number, since it uses as much as digits as its factorization.

1312625070125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767953 (or 3767943 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 1312625070125 in words is "one trillion, three hundred twelve billion, six hundred twenty-five million, seventy thousand, one hundred twenty-five".