12322231333221 has 4 divisors (see below), whose sum is σ = 16429641777632. Its totient is φ = 8214820888812.

The previous prime is 12322231333213. The next prime is 12322231333241. The reversal of 12322231333221 is 12233313222321.

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.

It is not a de Polignac number, because 12322231333221 - 2³ = 12322231333213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322231333241) 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, 2053705222201 + ... + 2053705222206.

It is an arithmetic number, because the mean of its divisors is an integer number (4107410444408).

Almost surely, 2^{12322231333221} is an apocalyptic number.

It is an amenable number.

12322231333221 is a deficient number, since it is larger than the sum of its proper divisors (4107410444411).

12322231333221 is an equidigital number, since it uses as much as digits as its factorization.

12322231333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107410444410.

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

Adding to 12322231333221 its reverse (12233313222321), we get a palindrome (24555544555542).

The spelling of 12322231333221 in words is "twelve trillion, three hundred twenty-two billion, two hundred thirty-one million, three hundred thirty-three thousand, two hundred twenty-one".