12512631875 has 20 divisors (see below), whose sum is σ = 15653732952. Its totient is φ = 9998616000.

The previous prime is 12512631851. The next prime is 12512631953. The reversal of 12512631875 is 57813621521.

It is a happy number.

It is not a de Polignac number, because 12512631875 - 2²⁰ = 12511583299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 555839 + ... + 577911.

Almost surely, 2^12512631875 is an apocalyptic number.

12512631875 is a deficient number, since it is larger than the sum of its proper divisors (3141101077).

12512631875 is an frugal number, since it uses more digits than its factorization.

12512631875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23000 (or 22985 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The spelling of 12512631875 in words is "twelve billion, five hundred twelve million, six hundred thirty-one thousand, eight hundred seventy-five".