12101021022112 has 48 divisors (see below), whose sum is σ = 25990028064000. Its totient is φ = 5500393162240.

The previous prime is 12101021022109. The next prime is 12101021022163. The reversal of 12101021022112 is 21122012010121.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 35087889 + ... + 35431087.

It is an arithmetic number, because the mean of its divisors is an integer number (541458918000).

Almost surely, 2^{12101021022112} is an apocalyptic number.

It is an amenable number.

12101021022112 is an abundant number, since it is smaller than the sum of its proper divisors (13889007041888).

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

12101021022112 is a wasteful number, since it uses less digits than its factorization.

12101021022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443389 (or 443381 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12101021022112 its reverse (21122012010121), we get a palindrome (33223033032233).

The spelling of 12101021022112 in words is "twelve trillion, one hundred one billion, twenty-one million, twenty-two thousand, one hundred twelve".