12442245233 has 16 divisors (see below), whose sum is σ = 13726639680. Its totient is φ = 11277161280.

The previous prime is 12442245223. The next prime is 12442245253. The reversal of 12442245233 is 33254224421.

It is not a de Polignac number, because 12442245233 - 2⁶ = 12442245169 is a prime.

It is a super-2 number, since 2×12442245233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12442245233.

It is not an unprimeable number, because it can be changed into a prime (12442245223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434678 + ... + 462416.

It is an arithmetic number, because the mean of its divisors is an integer number (857914980).

Almost surely, 2^12442245233 is an apocalyptic number.

It is an amenable number.

12442245233 is a deficient number, since it is larger than the sum of its proper divisors (1284394447).

12442245233 is an equidigital number, since it uses as much as digits as its factorization.

12442245233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28109 (or 28087 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

Adding to 12442245233 its reverse (33254224421), we get a palindrome (45696469654).

The spelling of 12442245233 in words is "twelve billion, four hundred forty-two million, two hundred forty-five thousand, two hundred thirty-three".