12331321001 has 8 divisors (see below), whose sum is σ = 12620107104. Its totient is φ = 12042626400.

The previous prime is 12331320997. The next prime is 12331321003. The reversal of 12331321001 is 10012313321.

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 12331321001 - 2² = 12331320997 is a prime.

It is a super-2 number, since 2×12331321001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331321003) 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, 303701 + ... + 341901.

It is an arithmetic number, because the mean of its divisors is an integer number (1577513388).

Almost surely, 2^12331321001 is an apocalyptic number.

It is an amenable number.

12331321001 is a deficient number, since it is larger than the sum of its proper divisors (288786103).

12331321001 is an equidigital number, since it uses as much as digits as its factorization.

12331321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45751.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12331321001 its reverse (10012313321), we get a palindrome (22343634322).

The spelling of 12331321001 in words is "twelve billion, three hundred thirty-one million, three hundred twenty-one thousand, one".