12432042112 has 32 divisors (see below), whose sum is σ = 28305097920. Its totient is φ = 5328017664.

The previous prime is 12432042079. The next prime is 12432042167. The reversal of 12432042112 is 21124023421.

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, 6936628 + ... + 6938419.

It is an arithmetic number, because the mean of its divisors is an integer number (884534310).

Almost surely, 2^12432042112 is an apocalyptic number.

It is an amenable number.

12432042112 is an abundant number, since it is smaller than the sum of its proper divisors (15873055808).

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

12432042112 is an equidigital number, since it uses as much as digits as its factorization.

12432042112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13875068 (or 13875056 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12432042112 its reverse (21124023421), we get a palindrome (33556065533).

The spelling of 12432042112 in words is "twelve billion, four hundred thirty-two million, forty-two thousand, one hundred twelve".