12131113033212 has 48 divisors (see below), whose sum is σ = 28315256877600. Its totient is φ = 4042372255488.

The previous prime is 12131113033201. The next prime is 12131113033297. The reversal of 12131113033212 is 21233031113121.

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, 742728198 + ... + 742744530.

It is an arithmetic number, because the mean of its divisors is an integer number (589901184950).

Almost surely, 2^{12131113033212} is an apocalyptic number.

12131113033212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12131113033212 is an abundant number, since it is smaller than the sum of its proper divisors (16184143844388).

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

12131113033212 is a wasteful number, since it uses less digits than its factorization.

12131113033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32942 (or 32940 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12131113033212 its reverse (21233031113121), we get a palindrome (33364144146333).

The spelling of 12131113033212 in words is "twelve trillion, one hundred thirty-one billion, one hundred thirteen million, thirty-three thousand, two hundred twelve".