13231320112212 has 48 divisors (see below), whose sum is σ = 32382115288320. Its totient is φ = 4199935992192.

The previous prime is 13231320112181. The next prime is 13231320112223. The reversal of 13231320112212 is 21221102313231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317003287 + ... + 317045022.

It is an arithmetic number, because the mean of its divisors is an integer number (674627401840).

Almost surely, 2^{13231320112212} is an apocalyptic number.

13231320112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13231320112212 is an abundant number, since it is smaller than the sum of its proper divisors (19150795176108).

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

13231320112212 is a wasteful number, since it uses less digits than its factorization.

13231320112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634048400 (or 634048398 counting only the distinct ones).

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

Adding to 13231320112212 its reverse (21221102313231), we get a palindrome (34452422425443).

The spelling of 13231320112212 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty million, one hundred twelve thousand, two hundred twelve".