12432122232 has 32 divisors (see below), whose sum is σ = 31666729680. Its totient is φ = 4065850880.

The previous prime is 12432122191. The next prime is 12432122243. The reversal of 12432122232 is 23222123421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4885569 + ... + 4888112.

Almost surely, 2^12432122232 is an apocalyptic number.

12432122232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12432122232 is an abundant number, since it is smaller than the sum of its proper divisors (19234607448).

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

12432122232 is a wasteful number, since it uses less digits than its factorization.

12432122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9773743 (or 9773739 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

Adding to 12432122232 its reverse (23222123421), we get a palindrome (35654245653).

The spelling of 12432122232 in words is "twelve billion, four hundred thirty-two million, one hundred twenty-two thousand, two hundred thirty-two".