12432112144 has 40 divisors (see below), whose sum is σ = 24210048672. Its totient is φ = 6184442880.

The previous prime is 12432112123. The next prime is 12432112151. The reversal of 12432112144 is 44121123421.

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, 2770927 + ... + 2775409.

Almost surely, 2^12432112144 is an apocalyptic number.

It is an amenable number.

12432112144 is a deficient number, since it is larger than the sum of its proper divisors (11777936528).

12432112144 is a wasteful number, since it uses less digits than its factorization.

12432112144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335 (or 5329 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 12432112144 its reverse (44121123421), we get a palindrome (56553235565).

The spelling of 12432112144 in words is "twelve billion, four hundred thirty-two million, one hundred twelve thousand, one hundred forty-four".