12112202100120 has 64 divisors (see below), whose sum is σ = 36336997509120. Its totient is φ = 3229885785984.

The previous prime is 12112202100079. The next prime is 12112202100139. The reversal of 12112202100120 is 2100120221121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12112202100120.

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, 11815497 + ... + 12799623.

It is an arithmetic number, because the mean of its divisors is an integer number (567765586080).

Almost surely, 2^{12112202100120} is an apocalyptic number.

12112202100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112202100120 is an abundant number, since it is smaller than the sum of its proper divisors (24224795409000).

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

12112202100120 is a wasteful number, since it uses less digits than its factorization.

12112202100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086704 (or 1086700 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112202100120 its reverse (2100120221121), we get a palindrome (14212322321241).

The spelling of 12112202100120 in words is "twelve trillion, one hundred twelve billion, two hundred two million, one hundred thousand, one hundred twenty".