12312322332321 has 32 divisors (see below), whose sum is σ = 19252496332800. Its totient is φ = 6918865836480.

The previous prime is 12312322332311. The next prime is 12312322332337. The reversal of 12312322332321 is 12323322321321.

It is not a de Polignac number, because 12312322332321 - 2³³ = 12303732397729 is a prime.

It is a super-2 number, since 2×12312322332321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12312322332311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208873486 + ... + 208932423.

It is an arithmetic number, because the mean of its divisors is an integer number (601640510400).

Almost surely, 2^{12312322332321} is an apocalyptic number.

12312322332321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12312322332321 is a deficient number, since it is larger than the sum of its proper divisors (6940174000479).

12312322332321 is a wasteful number, since it uses less digits than its factorization.

12312322332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417805989.

The product of its digits is 15552, while the sum is 30.

Adding to 12312322332321 its reverse (12323322321321), we get a palindrome (24635644653642).

The spelling of 12312322332321 in words is "twelve trillion, three hundred twelve billion, three hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty-one".