12629823900 has 36 divisors (see below), whose sum is σ = 36542291352. Its totient is φ = 3367952960.

The previous prime is 12629823881. The next prime is 12629823907. The reversal of 12629823900 is 932892621.

It is a super-2 number, since 2×12629823900² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12629823907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21049407 + ... + 21050006.

Almost surely, 2^12629823900 is an apocalyptic number.

12629823900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12629823900 is an abundant number, since it is smaller than the sum of its proper divisors (23912467452).

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

12629823900 is a wasteful number, since it uses less digits than its factorization.

12629823900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42099430 (or 42099423 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 12629823900 in words is "twelve billion, six hundred twenty-nine million, eight hundred twenty-three thousand, nine hundred".