12625134664 has 16 divisors (see below), whose sum is σ = 24118772220. Its totient is φ = 6193462080.

The previous prime is 12625134653. The next prime is 12625134671. The reversal of 12625134664 is 46643152621.

It can be written as a sum of positive squares in 2 ways, for example, as 12330325764 + 294808900 = 111042^2 + 17170^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14887707 + ... + 14888554.

Almost surely, 2^12625134664 is an apocalyptic number.

It is an amenable number.

12625134664 is a deficient number, since it is larger than the sum of its proper divisors (11493637556).

12625134664 is a wasteful number, since it uses less digits than its factorization.

12625134664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29776320 (or 29776316 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The spelling of 12625134664 in words is "twelve billion, six hundred twenty-five million, one hundred thirty-four thousand, six hundred sixty-four".