12501388875125 has 32 divisors (see below), whose sum is σ = 16231826817024. Its totient is φ = 9602285616000.

The previous prime is 12501388875071. The next prime is 12501388875161. The reversal of 12501388875125 is 52157888310521.

It is not a de Polignac number, because 12501388875125 - 2¹² = 12501388871029 is a prime.

It is a super-2 number, since 2×12501388875125² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12209312 + ... + 13193561.

It is an arithmetic number, because the mean of its divisors is an integer number (507244588032).

Almost surely, 2^{12501388875125} is an apocalyptic number.

It is an amenable number.

12501388875125 is a deficient number, since it is larger than the sum of its proper divisors (3730437941899).

12501388875125 is a wasteful number, since it uses less digits than its factorization.

12501388875125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25403046 (or 25403036 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 56.

The spelling of 12501388875125 in words is "twelve trillion, five hundred one billion, three hundred eighty-eight million, eight hundred seventy-five thousand, one hundred twenty-five".