12432404422 has 4 divisors (see below), whose sum is σ = 18648606636. Its totient is φ = 6216202210.

The previous prime is 12432404407. The next prime is 12432404423. The reversal of 12432404422 is 22440423421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432404423) 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 as a sum of consecutive naturals, namely, 3108101104 + ... + 3108101107.

It is an arithmetic number, because the mean of its divisors is an integer number (4662151659).

Almost surely, 2^12432404422 is an apocalyptic number.

12432404422 is a deficient number, since it is larger than the sum of its proper divisors (6216202214).

12432404422 is an equidigital number, since it uses as much as digits as its factorization.

12432404422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216202213.

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

Adding to 12432404422 its reverse (22440423421), we get a palindrome (34872827843).

The spelling of 12432404422 in words is "twelve billion, four hundred thirty-two million, four hundred four thousand, four hundred twenty-two".