12632570625 has 20 divisors (see below), whose sum is σ = 21047550128. Its totient is φ = 6737370000.

The previous prime is 12632570609. The next prime is 12632570627. The reversal of 12632570625 is 52607523621.

It is a happy number.

It is not a de Polignac number, because 12632570625 - 2⁴ = 12632570609 is a prime.

It is a super-2 number, since 2×12632570625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12632570627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3366811 + ... + 3370560.

Almost surely, 2^12632570625 is an apocalyptic number.

12632570625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12632570625 is a deficient number, since it is larger than the sum of its proper divisors (8414979503).

12632570625 is an frugal number, since it uses more digits than its factorization.

12632570625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737394 (or 6737379 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 12632570625 in words is "twelve billion, six hundred thirty-two million, five hundred seventy thousand, six hundred twenty-five".