12212231130120 has 128 divisors (see below), whose sum is σ = 43314317395200. Its totient is φ = 2695113071616.

The previous prime is 12212231129993. The next prime is 12212231130193. The reversal of 12212231130120 is 2103113221221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250637199 + ... + 250685918.

It is an arithmetic number, because the mean of its divisors is an integer number (338393104650).

Almost surely, 2^{12212231130120} is an apocalyptic number.

12212231130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212231130120 is an abundant number, since it is smaller than the sum of its proper divisors (31102086265080).

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

12212231130120 is a wasteful number, since it uses less digits than its factorization.

12212231130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501323167 (or 501323163 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12212231130120 its reverse (2103113221221), we get a palindrome (14315344351341).

The spelling of 12212231130120 in words is "twelve trillion, two hundred twelve billion, two hundred thirty-one million, one hundred thirty thousand, one hundred twenty".