12513750125 has 16 divisors (see below), whose sum is σ = 16155687600. Its totient is φ = 9665790400.

The previous prime is 12513750083. The next prime is 12513750163. The reversal of 12513750125 is 52105731521.

It can be written as a sum of positive squares in 8 ways, for example, as 3431850724 + 9081899401 = 58582^2 + 95299^2 .

It is not a de Polignac number, because 12513750125 - 2⁸ = 12513749869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12513750091 and 12513750100.

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, 1722410 + ... + 1729659.

It is an arithmetic number, because the mean of its divisors is an integer number (1009730475).

Almost surely, 2^12513750125 is an apocalyptic number.

It is an amenable number.

12513750125 is a deficient number, since it is larger than the sum of its proper divisors (3641937475).

12513750125 is an equidigital number, since it uses as much as digits as its factorization.

12513750125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452113 (or 3452103 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The spelling of 12513750125 in words is "twelve billion, five hundred thirteen million, seven hundred fifty thousand, one hundred twenty-five".