12343111312112 has 40 divisors (see below), whose sum is σ = 27350382130176. Its totient is φ = 5286187348416.

The previous prime is 12343111312061. The next prime is 12343111312163. The reversal of 12343111312112 is 21121311134321.

It is an interprime number because it is at equal distance from previous prime (12343111312061) and next prime (12343111312163).

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, 38563868 + ... + 38882619.

Almost surely, 2^{12343111312112} is an apocalyptic number.

It is an amenable number.

12343111312112 is an abundant number, since it is smaller than the sum of its proper divisors (15007270818064).

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

12343111312112 is a wasteful number, since it uses less digits than its factorization.

12343111312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77447925 (or 77447919 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

Adding to 12343111312112 its reverse (21121311134321), we get a palindrome (33464422446433).

The spelling of 12343111312112 in words is "twelve trillion, three hundred forty-three billion, one hundred eleven million, three hundred twelve thousand, one hundred twelve".