12620877630 has 64 divisors (see below), whose sum is σ = 31621943808. Its totient is φ = 3217723520.

The previous prime is 12620877629. The next prime is 12620877649. The reversal of 12620877630 is 3677802621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2634097 + ... + 2638883.

It is an arithmetic number, because the mean of its divisors is an integer number (494092872).

Almost surely, 2^12620877630 is an apocalyptic number.

12620877630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12620877630 is an abundant number, since it is smaller than the sum of its proper divisors (19001066178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12620877630 is a wasteful number, since it uses less digits than its factorization.

12620877630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 12620877630 in words is "twelve billion, six hundred twenty million, eight hundred seventy-seven thousand, six hundred thirty".