12443231422 has 8 divisors (see below), whose sum is σ = 19266939072. Its totient is φ = 6020918400.

The previous prime is 12443231417. The next prime is 12443231443. The reversal of 12443231422 is 22413234421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100348579 + ... + 100348702.

It is an arithmetic number, because the mean of its divisors is an integer number (2408367384).

Almost surely, 2^12443231422 is an apocalyptic number.

12443231422 is a deficient number, since it is larger than the sum of its proper divisors (6823707650).

12443231422 is a wasteful number, since it uses less digits than its factorization.

12443231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200697314.

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

Adding to 12443231422 its reverse (22413234421), we get a palindrome (34856465843).

The spelling of 12443231422 in words is "twelve billion, four hundred forty-three million, two hundred thirty-one thousand, four hundred twenty-two".