12424021232 has 40 divisors (see below), whose sum is σ = 27597194976. Its totient is φ = 5307768576.

The previous prime is 12424021223. The next prime is 12424021289. The reversal of 12424021232 is 23212042421.

It is a junction number, because it is equal to n+sod(n) for n = 12424021198 and 12424021207.

It is a congruent number.

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, 139463 + ... + 210470.

Almost surely, 2^12424021232 is an apocalyptic number.

It is an amenable number.

12424021232 is an abundant number, since it is smaller than the sum of its proper divisors (15173173744).

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

12424021232 is a wasteful number, since it uses less digits than its factorization.

12424021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350265 (or 350259 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12424021232 its reverse (23212042421), we get a palindrome (35636063653).

The spelling of 12424021232 in words is "twelve billion, four hundred twenty-four million, twenty-one thousand, two hundred thirty-two".