12432442004 has 24 divisors (see below), whose sum is σ = 22135797600. Its totient is φ = 6108026400.

The previous prime is 12432441991. The next prime is 12432442019. The reversal of 12432442004 is 40024423421.

It is a happy number.

It is a super-2 number, since 2×12432442004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552779 + ... + 574829.

It is an arithmetic number, because the mean of its divisors is an integer number (922324900).

Almost surely, 2^12432442004 is an apocalyptic number.

It is an amenable number.

12432442004 is a deficient number, since it is larger than the sum of its proper divisors (9703355596).

12432442004 is a wasteful number, since it uses less digits than its factorization.

12432442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24503 (or 24501 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12432442004 its reverse (40024423421), we get a palindrome (52456865425).

The spelling of 12432442004 in words is "twelve billion, four hundred thirty-two million, four hundred forty-two thousand, four".