112112212120 has 32 divisors (see below), whose sum is σ = 252298274400. Its totient is φ = 44836743168.

The previous prime is 112112212073. The next prime is 112112212123. The reversal of 112112212120 is 21212211211.

It is a junction number, because it is equal to n+sod(n) for n = 112112212094 and 112112212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112212123) 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, 28884 + ... + 474403.

It is an arithmetic number, because the mean of its divisors is an integer number (7884321075).

Almost surely, 2^112112212120 is an apocalyptic number.

112112212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112212120 is an abundant number, since it is smaller than the sum of its proper divisors (140186062280).

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

112112212120 is a wasteful number, since it uses less digits than its factorization.

112112212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508867 (or 508863 counting only the distinct ones).

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

Adding to 112112212120 its reverse (21212211211), we get a palindrome (133324423331).

Subtracting from 112112212120 its reverse (21212211211), we obtain a palindrome (90900000909).

The spelling of 112112212120 in words is "one hundred twelve billion, one hundred twelve million, two hundred twelve thousand, one hundred twenty".