12331333021 has 8 divisors (see below), whose sum is σ = 14224662720. Its totient is φ = 10470931008.

The previous prime is 12331333019. The next prime is 12331333043. The reversal of 12331333021 is 12033313321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12331333021 - 2¹ = 12331333019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12331332983 and 12331333001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331333921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8231116 + ... + 8232613.

It is an arithmetic number, because the mean of its divisors is an integer number (1778082840).

Almost surely, 2^12331333021 is an apocalyptic number.

It is an amenable number.

12331333021 is a deficient number, since it is larger than the sum of its proper divisors (1893329699).

12331333021 is a wasteful number, since it uses less digits than its factorization.

12331333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16463843.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12331333021 its reverse (12033313321), we get a palindrome (24364646342).

The spelling of 12331333021 in words is "twelve billion, three hundred thirty-one million, three hundred thirty-three thousand, twenty-one".