12031320023300 has 72 divisors (see below), whose sum is σ = 26210115044232. Its totient is φ = 4793733504000.

The previous prime is 12031320023297. The next prime is 12031320023323. The reversal of 12031320023300 is 332002313021.

It can be written as a sum of positive squares in 12 ways, for example, as 9988027027456 + 2043292995844 = 3160384^2 + 1429438^2 .

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

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 in 23 ways as a sum of consecutive naturals, for example, 27272480 + ... + 27710120.

Almost surely, 2^{12031320023300} is an apocalyptic number.

12031320023300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031320023300 is an abundant number, since it is smaller than the sum of its proper divisors (14178795020932).

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

12031320023300 is a wasteful number, since it uses less digits than its factorization.

12031320023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438729 (or 438722 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12031320023300 its reverse (332002313021), we get a palindrome (12363322336321).

The spelling of 12031320023300 in words is "twelve trillion, thirty-one billion, three hundred twenty million, twenty-three thousand, three hundred".