12333311321 has 4 divisors (see below), whose sum is σ = 12869542272. Its totient is φ = 11797080372.

The previous prime is 12333311297. The next prime is 12333311339. The reversal of 12333311321 is 12311333321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12311333321 = 7 ⋅1758761903.

It is a cyclic number.

It is not a de Polignac number, because 12333311321 - 2⁶ = 12333311257 is a prime.

It is a super-2 number, since 2×12333311321² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 536230927 = 12333311321 / (1 + 2 + 3 + 3 + 3 + 3 + 1 + 1 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12333310321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268115441 + ... + 268115486.

It is an arithmetic number, because the mean of its divisors is an integer number (3217385568).

Almost surely, 2^12333311321 is an apocalyptic number.

It is an amenable number.

12333311321 is a deficient number, since it is larger than the sum of its proper divisors (536230951).

12333311321 is an equidigital number, since it uses as much as digits as its factorization.

12333311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536230950.

The product of its digits is 972, while the sum is 23.

Adding to 12333311321 its reverse (12311333321), we get a palindrome (24644644642).

The spelling of 12333311321 in words is "twelve billion, three hundred thirty-three million, three hundred eleven thousand, three hundred twenty-one".