12322421321 has 16 divisors (see below), whose sum is σ = 14918069376. Its totient is φ = 9936174336.

The previous prime is 12322421303. The next prime is 12322421347. The reversal of 12322421321 is 12312422321.

It is a cyclic number.

It is not a de Polignac number, because 12322421321 - 2¹⁴ = 12322404937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12322421521) 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 15 ways as a sum of consecutive naturals, for example, 246935 + ... + 292611.

It is an arithmetic number, because the mean of its divisors is an integer number (932379336).

Almost surely, 2^12322421321 is an apocalyptic number.

It is an amenable number.

12322421321 is a deficient number, since it is larger than the sum of its proper divisors (2595648055).

12322421321 is a wasteful number, since it uses less digits than its factorization.

12322421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47968.

The product of its digits is 1152, while the sum is 23.

Adding to 12322421321 its reverse (12312422321), we get a palindrome (24634843642).

The spelling of 12322421321 in words is "twelve billion, three hundred twenty-two million, four hundred twenty-one thousand, three hundred twenty-one".