100012112120 has 32 divisors (see below), whose sum is σ = 226407802320. Its totient is φ = 39759413760.

The previous prime is 100012112069. The next prime is 100012112197. The reversal of 100012112120 is 21211210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7663121 + ... + 7676160.

Almost surely, 2^100012112120 is an apocalyptic number.

100012112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012112120 is an abundant number, since it is smaller than the sum of its proper divisors (126395690200).

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

100012112120 is a wasteful number, since it uses less digits than its factorization.

100012112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15339455 (or 15339451 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100012112120 its reverse (21211210001), we get a palindrome (121223322121).

The spelling of 100012112120 in words is "one hundred billion, twelve million, one hundred twelve thousand, one hundred twenty".