12432111232 has 32 divisors (see below), whose sum is σ = 24783184800. Its totient is φ = 6212017920.

The previous prime is 12432111199. The next prime is 12432111247. The reversal of 12432111232 is 23211123421.

It is a tau number, because it is divible by the number of its divisors (32).

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, 171357 + ... + 232867.

It is an arithmetic number, because the mean of its divisors is an integer number (774474525).

Almost surely, 2^12432111232 is an apocalyptic number.

It is an amenable number.

12432111232 is a deficient number, since it is larger than the sum of its proper divisors (12351073568).

12432111232 is an equidigital number, since it uses as much as digits as its factorization.

12432111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63104 (or 63092 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 12432111232 its reverse (23211123421), we get a palindrome (35643234653).

The spelling of 12432111232 in words is "twelve billion, four hundred thirty-two million, one hundred eleven thousand, two hundred thirty-two".