12031013310320 has 20 divisors (see below), whose sum is σ = 27972105946680. Its totient is φ = 4812405324096.

The previous prime is 12031013310319. The next prime is 12031013310361. The reversal of 12031013310320 is 2301331013021.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12031013310292 and 12031013310301.

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, 75193833110 + ... + 75193833269.

It is an arithmetic number, because the mean of its divisors is an integer number (1398605297334).

Almost surely, 2^{12031013310320} is an apocalyptic number.

12031013310320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031013310320 is an abundant number, since it is smaller than the sum of its proper divisors (15941092636360).

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

12031013310320 is a wasteful number, since it uses less digits than its factorization.

12031013310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150387666392 (or 150387666386 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12031013310320 its reverse (2301331013021), we get a palindrome (14332344323341).

The spelling of 12031013310320 in words is "twelve trillion, thirty-one billion, thirteen million, three hundred ten thousand, three hundred twenty".