12725135630 has 32 divisors (see below), whose sum is σ = 24263406144. Its totient is φ = 4788507136.

The previous prime is 12725135629. The next prime is 12725135663. The reversal of 12725135630 is 3653152721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396464 + ... + 427356.

It is an arithmetic number, because the mean of its divisors is an integer number (758231442).

Almost surely, 2^12725135630 is an apocalyptic number.

12725135630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12725135630 is a deficient number, since it is larger than the sum of its proper divisors (11538270514).

12725135630 is a wasteful number, since it uses less digits than its factorization.

12725135630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33340.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 12725135630 in words is "twelve billion, seven hundred twenty-five million, one hundred thirty-five thousand, six hundred thirty".