12442223223 has 12 divisors (see below), whose sum is σ = 17973112768. Its totient is φ = 8294348160.

The previous prime is 12442223173. The next prime is 12442223239. The reversal of 12442223223 is 32232224421.

12442223223 is a `hidden beast` number, since 1 + 2 + 4 + 422 + 232 + 2 + 3 = 666.

It is not a de Polignac number, because 12442223223 - 2¹⁶ = 12442157687 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 (12442223293) 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 11 ways as a sum of consecutive naturals, for example, 220986 + ... + 271512.

Almost surely, 2^12442223223 is an apocalyptic number.

12442223223 is a deficient number, since it is larger than the sum of its proper divisors (5530889545).

12442223223 is a wasteful number, since it uses less digits than its factorization.

12442223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77894 (or 77891 counting only the distinct ones).

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

Adding to 12442223223 its reverse (32232224421), we get a palindrome (44674447644).

The spelling of 12442223223 in words is "twelve billion, four hundred forty-two million, two hundred twenty-three thousand, two hundred twenty-three".