12204434432 has 44 divisors (see below), whose sum is σ = 25457736576. Its totient is φ = 5836892160.

The previous prime is 12204434383. The next prime is 12204434447. The reversal of 12204434432 is 23443440221.

It is a junction number, because it is equal to n+sod(n) for n = 12204434395 and 12204434404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235544 + ... + 282647.

Almost surely, 2^12204434432 is an apocalyptic number.

It is an amenable number.

12204434432 is an abundant number, since it is smaller than the sum of its proper divisors (13253302144).

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

12204434432 is an equidigital number, since it uses as much as digits as its factorization.

12204434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518234 (or 518216 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12204434432 its reverse (23443440221), we get a palindrome (35647874653).

The spelling of 12204434432 in words is "twelve billion, two hundred four million, four hundred thirty-four thousand, four hundred thirty-two".