10012012100 has 36 divisors (see below), whose sum is σ = 21742972944. Its totient is φ = 4001688480.

The previous prime is 10012012093. The next prime is 10012012111. The reversal of 10012012100 is 121021001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92399 + ... + 169001.

Almost surely, 2^10012012100 is an apocalyptic number.

10012012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012012100 is an abundant number, since it is smaller than the sum of its proper divisors (11730960844).

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

10012012100 is a wasteful number, since it uses less digits than its factorization.

10012012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77924 (or 77917 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10012012100 its reverse (121021001), we get a palindrome (10133033101).

The spelling of 10012012100 in words is "ten billion, twelve million, twelve thousand, one hundred".