12432421304 has 8 divisors (see below), whose sum is σ = 23310789960. Its totient is φ = 6216210648.

The previous prime is 12432421289. The next prime is 12432421327. The reversal of 12432421304 is 40312423421.

12432421304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777026324 + ... + 777026339.

It is an arithmetic number, because the mean of its divisors is an integer number (2913848745).

Almost surely, 2^12432421304 is an apocalyptic number.

It is an amenable number.

12432421304 is a deficient number, since it is larger than the sum of its proper divisors (10878368656).

12432421304 is a wasteful number, since it uses less digits than its factorization.

12432421304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554052669 (or 1554052665 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12432421304 its reverse (40312423421), we get a palindrome (52744844725).

The spelling of 12432421304 in words is "twelve billion, four hundred thirty-two million, four hundred twenty-one thousand, three hundred four".