12101011202100 has 72 divisors (see below), whose sum is σ = 35358915197088. Its totient is φ = 3194986448000.

The previous prime is 12101011202047. The next prime is 12101011202149. The reversal of 12101011202100 is 120211010121.

It is a super-2 number, since 2×12101011202100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199656354 + ... + 199716953.

It is an arithmetic number, because the mean of its divisors is an integer number (491096044404).

Almost surely, 2^{12101011202100} is an apocalyptic number.

12101011202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101011202100 is an abundant number, since it is smaller than the sum of its proper divisors (23257903994988).

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

12101011202100 is a wasteful number, since it uses less digits than its factorization.

12101011202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399373425 (or 399373418 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101011202100 its reverse (120211010121), we get a palindrome (12221222212221).

The spelling of 12101011202100 in words is "twelve trillion, one hundred one billion, eleven million, two hundred two thousand, one hundred".