121223022112 has 48 divisors (see below), whose sum is σ = 242116680960. Its totient is φ = 59734374912.

The previous prime is 121223022103. The next prime is 121223022113. The reversal of 121223022112 is 211220322121.

121223022112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121223022112.

It is not an unprimeable number, because it can be changed into a prime (121223022113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061513 + ... + 3100855.

It is an arithmetic number, because the mean of its divisors is an integer number (5044097520).

Almost surely, 2^121223022112 is an apocalyptic number.

It is an amenable number.

121223022112 is a deficient number, since it is larger than the sum of its proper divisors (120893658848).

121223022112 is a wasteful number, since it uses less digits than its factorization.

121223022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40745 (or 40737 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121223022112 its reverse (211220322121), we get a palindrome (332443344233).

The spelling of 121223022112 in words is "one hundred twenty-one billion, two hundred twenty-three million, twenty-two thousand, one hundred twelve".