12122200002120 has 128 divisors (see below), whose sum is σ = 41467797383040. Its totient is φ = 2808401080320.

The previous prime is 12122200002119. The next prime is 12122200002127. The reversal of 12122200002120 is 2120000222121.

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 12122200002120.

It is not an unprimeable number, because it can be changed into a prime (12122200002127) 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, 228521746 + ... + 228574785.

It is an arithmetic number, because the mean of its divisors is an integer number (323967167055).

Almost surely, 2^{12122200002120} is an apocalyptic number.

12122200002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122200002120 is an abundant number, since it is smaller than the sum of its proper divisors (29345597380920).

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

12122200002120 is a wasteful number, since it uses less digits than its factorization.

12122200002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457096575 (or 457096571 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12122200002120 its reverse (2120000222121), we get a palindrome (14242200224241).

The spelling of 12122200002120 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, two thousand, one hundred twenty".