12322122112 has 32 divisors (see below), whose sum is σ = 24559094880. Its totient is φ = 6158270976.

The previous prime is 12322122107. The next prime is 12322122133. The reversal of 12322122112 is 21122122321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12322122112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277993 + ... + 319255.

It is an arithmetic number, because the mean of its divisors is an integer number (767471715).

Almost surely, 2^12322122112 is an apocalyptic number.

It is an amenable number.

12322122112 is a deficient number, since it is larger than the sum of its proper divisors (12236972768).

12322122112 is an equidigital number, since it uses as much as digits as its factorization.

12322122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43610 (or 43598 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

Adding to 12322122112 its reverse (21122122321), we get a palindrome (33444244433).

The spelling of 12322122112 in words is "twelve billion, three hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".