12112112120 has 32 divisors (see below), whose sum is σ = 27272311200. Its totient is φ = 4841278848.

The previous prime is 12112112119. The next prime is 12112112123. The reversal of 12112112120 is 2121121121.

12112112120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12112112095 and 12112112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112112123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56075 + ... + 165434.

It is an arithmetic number, because the mean of its divisors is an integer number (852259725).

Almost surely, 2^12112112120 is an apocalyptic number.

12112112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112112120 is an abundant number, since it is smaller than the sum of its proper divisors (15160199080).

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

12112112120 is a wasteful number, since it uses less digits than its factorization.

12112112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222887 (or 222883 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112112120 its reverse (2121121121), we get a palindrome (14233233241).

Subtracting from 12112112120 its reverse (2121121121), we obtain a palindrome (9990990999).

The spelling of 12112112120 in words is "twelve billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty".