12112241210120 has 128 divisors (see below), whose sum is σ = 29392602624000. Its totient is φ = 4477033451520.

The previous prime is 12112241210117. The next prime is 12112241210123. The reversal of 12112241210120 is 2101214221121.

It is an interprime number because it is at equal distance from previous prime (12112241210117) and next prime (12112241210123).

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 = 12112241210092 and 12112241210101.

It is not an unprimeable number, because it can be changed into a prime (12112241210123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162275129 + ... + 162349751.

It is an arithmetic number, because the mean of its divisors is an integer number (229629708000).

Almost surely, 2^{12112241210120} is an apocalyptic number.

12112241210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112241210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14696301312000).

12112241210120 is an abundant number, since it is smaller than the sum of its proper divisors (17280361413880).

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

12112241210120 is a wasteful number, since it uses less digits than its factorization.

12112241210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79903 (or 79899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12112241210120 its reverse (2101214221121), we get a palindrome (14213455431241).

The spelling of 12112241210120 in words is "twelve trillion, one hundred twelve billion, two hundred forty-one million, two hundred ten thousand, one hundred twenty".