12112231112120 has 32 divisors (see below), whose sum is σ = 27381678883920. Its totient is φ = 4821930865920.

The previous prime is 12112231112053. The next prime is 12112231112123. The reversal of 12112231112120 is 2121113221121.

It is a super-2 number, since 2×12112231112120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12112231112092 and 12112231112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112231112123) 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, 717540797 + ... + 717557676.

Almost surely, 2^{12112231112120} is an apocalyptic number.

12112231112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112231112120 is an abundant number, since it is smaller than the sum of its proper divisors (15269447771800).

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

12112231112120 is a wasteful number, since it uses less digits than its factorization.

12112231112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435098695 (or 1435098691 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12112231112120 its reverse (2121113221121), we get a palindrome (14233344333241).

The spelling of 12112231112120 in words is "twelve trillion, one hundred twelve billion, two hundred thirty-one million, one hundred twelve thousand, one hundred twenty".