12404343432 has 64 divisors (see below), whose sum is σ = 33583032000. Its totient is φ = 3795381504.

The previous prime is 12404343409. The next prime is 12404343547. The reversal of 12404343432 is 23434340421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12404343432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55207 + ... + 166902.

It is an arithmetic number, because the mean of its divisors is an integer number (524734875).

Almost surely, 2^12404343432 is an apocalyptic number.

12404343432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12404343432 is an abundant number, since it is smaller than the sum of its proper divisors (21178688568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12404343432 is a wasteful number, since it uses less digits than its factorization.

12404343432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222310 (or 222306 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 12404343432 its reverse (23434340421), we get a palindrome (35838683853).

The spelling of 12404343432 in words is "twelve billion, four hundred four million, three hundred forty-three thousand, four hundred thirty-two".