12222120313312 has 48 divisors (see below), whose sum is σ = 29615137689312. Its totient is φ = 4835124518400.

The previous prime is 12222120313297. The next prime is 12222120313343. The reversal of 12222120313312 is 21331302122221.

12222120313312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098575439 + ... + 2098581262.

It is an arithmetic number, because the mean of its divisors is an integer number (616982035194).

Almost surely, 2^{12222120313312} is an apocalyptic number.

It is an amenable number.

12222120313312 is an abundant number, since it is smaller than the sum of its proper divisors (17393017376000).

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

12222120313312 is a wasteful number, since it uses less digits than its factorization.

12222120313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197156731 (or 4197156723 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12222120313312 its reverse (21331302122221), we get a palindrome (33553422435533).

The spelling of 12222120313312 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty million, three hundred thirteen thousand, three hundred twelve".