12331112012312 has 16 divisors (see below), whose sum is σ = 24480884142360. Its totient is φ = 5802876241024.

The previous prime is 12331112012299. The next prime is 12331112012321. The reversal of 12331112012312 is 21321021113321.

It is a happy number.

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, 45334970498 + ... + 45334970769.

Almost surely, 2^{12331112012312} is an apocalyptic number.

It is an amenable number.

12331112012312 is a deficient number, since it is larger than the sum of its proper divisors (12149772130048).

12331112012312 is a wasteful number, since it uses less digits than its factorization.

12331112012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90669941290 (or 90669941286 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12331112012312 its reverse (21321021113321), we get a palindrome (33652133125633).

It can be divided in two parts, 1233111 and 2012312, that added together give a palindrome (3245423).

The spelling of 12331112012312 in words is "twelve trillion, three hundred thirty-one billion, one hundred twelve million, twelve thousand, three hundred twelve".