12002100112100 has 72 divisors (see below), whose sum is σ = 29785067592000. Its totient is φ = 4112260225920.

The previous prime is 12002100112087. The next prime is 12002100112169. The reversal of 12002100112100 is 121100120021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4669799 + ... + 6768398.

Almost surely, 2^{12002100112100} is an apocalyptic number.

12002100112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002100112100 is an abundant number, since it is smaller than the sum of its proper divisors (17782967479900).

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

12002100112100 is a wasteful number, since it uses less digits than its factorization.

12002100112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439717 (or 11439710 counting only the distinct ones).

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

Adding to 12002100112100 its reverse (121100120021), we get a palindrome (12123200232121).

The spelling of 12002100112100 in words is "twelve trillion, two billion, one hundred million, one hundred twelve thousand, one hundred".