12031033013021 has 12 divisors (see below), whose sum is σ = 13266714875232. Its totient is φ = 10902134529000.

The previous prime is 12031033012967. The next prime is 12031033013099.

12031033013021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12031033013021 - 2¹⁴ = 12031032996637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031033012984 and 12031033013002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031033013621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159817715 + ... + 159892976.

It is an arithmetic number, because the mean of its divisors is an integer number (1105559572936).

Almost surely, 2^{12031033013021} is an apocalyptic number.

12031033013021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12031033013021 is a deficient number, since it is larger than the sum of its proper divisors (1235681862211).

12031033013021 is a wasteful number, since it uses less digits than its factorization.

12031033013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319711024 (or 319711013 counting only the distinct ones).

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

It can be divided in two parts, 1203103 and 3013021, that added together give a palindrome (4216124).

The spelling of 12031033013021 in words is "twelve trillion, thirty-one billion, thirty-three million, thirteen thousand, twenty-one".