12434221424 has 20 divisors (see below), whose sum is σ = 24922039560. Its totient is φ = 6002727360.

The previous prime is 12434221391. The next prime is 12434221483. The reversal of 12434221424 is 42412243421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

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, 13398482 + ... + 13399409.

It is an arithmetic number, because the mean of its divisors is an integer number (1246101978).

Almost surely, 2^12434221424 is an apocalyptic number.

It is an amenable number.

12434221424 is an abundant number, since it is smaller than the sum of its proper divisors (12487818136).

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

12434221424 is a wasteful number, since it uses less digits than its factorization.

12434221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26797928 (or 26797922 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

Adding to 12434221424 its reverse (42412243421), we get a palindrome (54846464845).

The spelling of 12434221424 in words is "twelve billion, four hundred thirty-four million, two hundred twenty-one thousand, four hundred twenty-four".