12031333321 has 8 divisors (see below), whose sum is σ = 13752104960. Its totient is φ = 10311064128.

The previous prime is 12031333291. The next prime is 12031333333. The reversal of 12031333321 is 12333313021.

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 12031333321 - 2²⁹ = 11494462409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031333292 and 12031333301.

It is not an unprimeable number, because it can be changed into a prime (12031333351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72816 + ... + 171361.

It is an arithmetic number, because the mean of its divisors is an integer number (1719013120).

Almost surely, 2^12031333321 is an apocalyptic number.

It is an amenable number.

12031333321 is a deficient number, since it is larger than the sum of its proper divisors (1720771639).

12031333321 is an equidigital number, since it uses as much as digits as its factorization.

12031333321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251223.

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

Adding to 12031333321 its reverse (12333313021), we get a palindrome (24364646342).

The spelling of 12031333321 in words is "twelve billion, thirty-one million, three hundred thirty-three thousand, three hundred twenty-one".