12120113228100 has 288 divisors, whose sum is σ = 37917573120000. Its totient is φ = 2979890833920.

The previous prime is 12120113228063. The next prime is 12120113228101. The reversal of 12120113228100 is 182231102121.

It is a happy number.

It is a super-2 number, since 2×12120113228100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12120113228101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 119809341 + ... + 119910459.

It is an arithmetic number, because the mean of its divisors is an integer number (131658240000).

Almost surely, 2^{12120113228100} is an apocalyptic number.

12120113228100 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 12120113228100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18958786560000).

12120113228100 is an abundant number, since it is smaller than the sum of its proper divisors (25797459891900).

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

12120113228100 is a wasteful number, since it uses less digits than its factorization.

12120113228100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101787 (or 101780 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The spelling of 12120113228100 in words is "twelve trillion, one hundred twenty billion, one hundred thirteen million, two hundred twenty-eight thousand, one hundred".