12031002031320 has 192 divisors, whose sum is σ = 42116944896000. Its totient is φ = 2969784449280.

The previous prime is 12031002031271. The next prime is 12031002031333. The reversal of 12031002031320 is 2313020013021.

12031002031320 is a `hidden beast` number, since 1 + 2 + 0 + 310 + 0 + 2 + 0 + 31 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12031002031293 and 12031002031302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23179120 + ... + 23692479.

It is an arithmetic number, because the mean of its divisors is an integer number (219359088000).

Almost surely, 2^{12031002031320} is an apocalyptic number.

12031002031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031002031320 is an abundant number, since it is smaller than the sum of its proper divisors (30085942864680).

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

12031002031320 is a wasteful number, since it uses less digits than its factorization.

12031002031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46871670 (or 46871663 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12031002031320 its reverse (2313020013021), we get a palindrome (14344022044341).

The spelling of 12031002031320 in words is "twelve trillion, thirty-one billion, two million, thirty-one thousand, three hundred twenty".