12443213422 has 16 divisors (see below), whose sum is σ = 19033926912. Its totient is φ = 6099715960.

The previous prime is 12443213413. The next prime is 12443213441. The reversal of 12443213422 is 22431234421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264358 + ... + 307849.

It is an arithmetic number, because the mean of its divisors is an integer number (1189620432).

Almost surely, 2^12443213422 is an apocalyptic number.

12443213422 is a deficient number, since it is larger than the sum of its proper divisors (6590713490).

12443213422 is a wasteful number, since it uses less digits than its factorization.

12443213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572423.

The product of its digits is 9216, while the sum is 28.

Adding to 12443213422 its reverse (22431234421), we get a palindrome (34874447843).

The spelling of 12443213422 in words is "twelve billion, four hundred forty-three million, two hundred thirteen thousand, four hundred twenty-two".