12422440432 has 20 divisors (see below), whose sum is σ = 24655515696. Its totient is φ = 6059726720.

The previous prime is 12422440427. The next prime is 12422440439. The reversal of 12422440432 is 23404422421.

It is a self number, because there is not a number n which added to its sum of digits gives 12422440432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422440439) 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 3 ways as a sum of consecutive naturals, for example, 9467668 + ... + 9468979.

Almost surely, 2^12422440432 is an apocalyptic number.

It is an amenable number.

12422440432 is a deficient number, since it is larger than the sum of its proper divisors (12233075264).

12422440432 is a wasteful number, since it uses less digits than its factorization.

12422440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18936696 (or 18936690 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12422440432 its reverse (23404422421), we get a palindrome (35826862853).

The spelling of 12422440432 in words is "twelve billion, four hundred twenty-two million, four hundred forty thousand, four hundred thirty-two".