12112101120 has 144 divisors (see below), whose sum is σ = 44209267200. Its totient is φ = 2768474112.

The previous prime is 12112101101. The next prime is 12112101179. The reversal of 12112101120 is 2110121121.

It is a super-2 number, since 2×12112101120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12112101096 and 12112101105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198420 + ... + 252179.

It is an arithmetic number, because the mean of its divisors is an integer number (307008800).

Almost surely, 2^12112101120 is an apocalyptic number.

12112101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112101120 is an abundant number, since it is smaller than the sum of its proper divisors (32097166080).

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

12112101120 is an equidigital number, since it uses as much as digits as its factorization.

12112101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450630 (or 450616 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12112101120 its reverse (2110121121), we get a palindrome (14222222241).

The spelling of 12112101120 in words is "twelve billion, one hundred twelve million, one hundred one thousand, one hundred twenty".