12322222443 has 20 divisors (see below), whose sum is σ = 18904768960. Its totient is φ = 7992790992.

The previous prime is 12322222441. The next prime is 12322222481. The reversal of 12322222443 is 34422222321.

It is not a de Polignac number, because 12322222443 - 2¹ = 12322222441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322222441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2052763 + ... + 2058756.

It is an arithmetic number, because the mean of its divisors is an integer number (945238448).

Almost surely, 2^12322222443 is an apocalyptic number.

12322222443 is a deficient number, since it is larger than the sum of its proper divisors (6582546517).

12322222443 is an equidigital number, since it uses as much as digits as its factorization.

12322222443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111568 (or 4111559 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 12322222443 its reverse (34422222321), we get a palindrome (46744444764).

The spelling of 12322222443 in words is "twelve billion, three hundred twenty-two million, two hundred twenty-two thousand, four hundred forty-three".