12403002432 has 28 divisors (see below), whose sum is σ = 32816277776. Its totient is φ = 4134334080.

The previous prime is 12403002427. The next prime is 12403002433. The reversal of 12403002432 is 23420030421.

It is a junction number, because it is equal to n+sod(n) for n = 12403002399 and 12403002408.

It is not an unprimeable number, because it can be changed into a prime (12403002433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32299294 + ... + 32299677.

Almost surely, 2^12403002432 is an apocalyptic number.

12403002432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12403002432 is an abundant number, since it is smaller than the sum of its proper divisors (20413275344).

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

12403002432 is an equidigital number, since it uses as much as digits as its factorization.

12403002432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64598986 (or 64598976 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12403002432 its reverse (23420030421), we get a palindrome (35823032853).

The spelling of 12403002432 in words is "twelve billion, four hundred three million, two thousand, four hundred thirty-two".