12031320330320 has 40 divisors (see below), whose sum is σ = 28366803158400. Its totient is φ = 4744746043520.

The previous prime is 12031320330319. The next prime is 12031320330397. The reversal of 12031320330320 is 2303302313021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12031320330320² (a number of 27 digits) contains 22 as substring.

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, 1059089420 + ... + 1059100779.

It is an arithmetic number, because the mean of its divisors is an integer number (709170078960).

Almost surely, 2^{12031320330320} is an apocalyptic number.

12031320330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031320330320 is an abundant number, since it is smaller than the sum of its proper divisors (16335482828080).

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

12031320330320 is a wasteful number, since it uses less digits than its factorization.

12031320330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118190283 (or 2118190277 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12031320330320 its reverse (2303302313021), we get a palindrome (14334622643341).

The spelling of 12031320330320 in words is "twelve trillion, thirty-one billion, three hundred twenty million, three hundred thirty thousand, three hundred twenty".