12031320331312 has 10 divisors (see below), whose sum is σ = 23310683141948. Its totient is φ = 6015660165648.

The previous prime is 12031320331297. The next prime is 12031320331339. The reversal of 12031320331312 is 21313302313021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375978760338 + ... + 375978760369.

Almost surely, 2^{12031320331312} is an apocalyptic number.

It is an amenable number.

12031320331312 is a deficient number, since it is larger than the sum of its proper divisors (11279362810636).

12031320331312 is an equidigital number, since it uses as much as digits as its factorization.

12031320331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751957520715 (or 751957520709 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12031320331312 its reverse (21313302313021), we get a palindrome (33344622644333).

The spelling of 12031320331312 in words is "twelve trillion, thirty-one billion, three hundred twenty million, three hundred thirty-one thousand, three hundred twelve".