12331162145312 has 192 divisors, whose sum is σ = 26915573462400. Its totient is φ = 5535890620416.

The previous prime is 12331162145167. The next prime is 12331162145327. The reversal of 12331162145312 is 21354126113321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2239176863 + ... + 2239182369.

It is an arithmetic number, because the mean of its divisors is an integer number (140185278450).

Almost surely, 2^{12331162145312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12331162145312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13457786731200).

12331162145312 is an abundant number, since it is smaller than the sum of its proper divisors (14584411317088).

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

12331162145312 is a wasteful number, since it uses less digits than its factorization.

12331162145312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723 (or 7715 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

Adding to 12331162145312 its reverse (21354126113321), we get a palindrome (33685288258633).

The spelling of 12331162145312 in words is "twelve trillion, three hundred thirty-one billion, one hundred sixty-two million, one hundred forty-five thousand, three hundred twelve".