120122222112 has 36 divisors (see below), whose sum is σ = 341597569950. Its totient is φ = 40040740608.

The previous prime is 120122222111. The next prime is 120122222119. The reversal of 120122222112 is 211222221021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119248664976 + 873557136 = 345324^2 + 29556^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (120122222111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 208545237 + ... + 208545812.

Almost surely, 2^120122222112 is an apocalyptic number.

120122222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120122222112 is an abundant number, since it is smaller than the sum of its proper divisors (221475347838).

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

120122222112 is a wasteful number, since it uses less digits than its factorization.

120122222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417091065 (or 417091054 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120122222112 its reverse (211222221021), we get a palindrome (331344443133).

The spelling of 120122222112 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".