12331321220112 has 40 divisors (see below), whose sum is σ = 32051348222304. Its totient is φ = 4085222978304.

The previous prime is 12331321220027. The next prime is 12331321220147. The reversal of 12331321220112 is 21102212313321.

It is a super-2 number, since 2×12331321220112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 788036733 + ... + 788052380.

Almost surely, 2^{12331321220112} is an apocalyptic number.

12331321220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12331321220112 is an abundant number, since it is smaller than the sum of its proper divisors (19720027002192).

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

12331321220112 is a wasteful number, since it uses less digits than its factorization.

12331321220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576089287 (or 1576089281 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12331321220112 its reverse (21102212313321), we get a palindrome (33433533533433).

The spelling of 12331321220112 in words is "twelve trillion, three hundred thirty-one billion, three hundred twenty-one million, two hundred twenty thousand, one hundred twelve".