12562513125 has 20 divisors (see below), whose sum is σ = 20930824992. Its totient is φ = 6700006000.

The previous prime is 12562513121. The next prime is 12562513177. The reversal of 12562513125 is 52131526521.

It is not a de Polignac number, because 12562513125 - 2² = 12562513121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12562513121) 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, 3348129 + ... + 3351878.

Almost surely, 2^12562513125 is an apocalyptic number.

12562513125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12562513125 is a deficient number, since it is larger than the sum of its proper divisors (8368311867).

12562513125 is an frugal number, since it uses more digits than its factorization.

12562513125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700030 (or 6700015 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The spelling of 12562513125 in words is "twelve billion, five hundred sixty-two million, five hundred thirteen thousand, one hundred twenty-five".