12132240424 has 16 divisors (see below), whose sum is σ = 22758019200. Its totient is φ = 6063435312.

The previous prime is 12132240391. The next prime is 12132240433. The reversal of 12132240424 is 42404223121.

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, 316344 + ... + 352615.

It is an arithmetic number, because the mean of its divisors is an integer number (1422376200).

Almost surely, 2^12132240424 is an apocalyptic number.

It is an amenable number.

12132240424 is a deficient number, since it is larger than the sum of its proper divisors (10625778776).

12132240424 is a wasteful number, since it uses less digits than its factorization.

12132240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671232 (or 671228 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12132240424 its reverse (42404223121), we get a palindrome (54536463545).

The spelling of 12132240424 in words is "twelve billion, one hundred thirty-two million, two hundred forty thousand, four hundred twenty-four".