12222332321 has 4 divisors (see below), whose sum is σ = 12224593200. Its totient is φ = 12220071444.

The previous prime is 12222332267. The next prime is 12222332327. The reversal of 12222332321 is 12323322221.

12222332321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12323322221 = 7 ⋅1760474603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222332321 is a prime.

It is a super-2 number, since 2×12222332321² (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 (12222332327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122311 + ... + 1133148.

It is an arithmetic number, because the mean of its divisors is an integer number (3056148300).

Almost surely, 2^12222332321 is an apocalyptic number.

It is an amenable number.

12222332321 is a deficient number, since it is larger than the sum of its proper divisors (2260879).

12222332321 is an equidigital number, since it uses as much as digits as its factorization.

12222332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260878.

The product of its digits is 1728, while the sum is 23.

Adding to 12222332321 its reverse (12323322221), we get a palindrome (24545654542).

The spelling of 12222332321 in words is "twelve billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred twenty-one".