12232434432 has 144 divisors (see below), whose sum is σ = 33988956512. Its totient is φ = 3901685760.

The previous prime is 12232434427. The next prime is 12232434433. The reversal of 12232434432 is 23443423221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12232434432.

It is not an unprimeable number, because it can be changed into a prime (12232434433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729848 + ... + 1736904.

Almost surely, 2^12232434432 is an apocalyptic number.

12232434432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12232434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16994478256).

12232434432 is an abundant number, since it is smaller than the sum of its proper divisors (21756522080).

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

12232434432 is an equidigital number, since it uses as much as digits as its factorization.

12232434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174 (or 7160 counting only the distinct ones).

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

Adding to 12232434432 its reverse (23443423221), we get a palindrome (35675857653).

The spelling of 12232434432 in words is "twelve billion, two hundred thirty-two million, four hundred thirty-four thousand, four hundred thirty-two".