12432444536 has 16 divisors (see below), whose sum is σ = 24114655800. Its totient is φ = 6001869664.

The previous prime is 12432444527. The next prime is 12432444547. The reversal of 12432444536 is 63544423421.

It is a self number, because there is not a number n which added to its sum of digits gives 12432444536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26793830 + ... + 26794293.

Almost surely, 2^12432444536 is an apocalyptic number.

It is an amenable number.

12432444536 is a deficient number, since it is larger than the sum of its proper divisors (11682211264).

12432444536 is a wasteful number, since it uses less digits than its factorization.

12432444536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53588158 (or 53588154 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

Adding to 12432444536 its reverse (63544423421), we get a palindrome (75976867957).

The spelling of 12432444536 in words is "twelve billion, four hundred thirty-two million, four hundred forty-four thousand, five hundred thirty-six".