12243043424 has 24 divisors (see below), whose sum is σ = 24209688888. Its totient is φ = 6094551040.

The previous prime is 12243043409. The next prime is 12243043427. The reversal of 12243043424 is 42434034221.

It is a super-2 number, since 2×12243043424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243043427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835457 + ... + 849984.

It is an arithmetic number, because the mean of its divisors is an integer number (1008737037).

Almost surely, 2^12243043424 is an apocalyptic number.

It is an amenable number.

12243043424 is a deficient number, since it is larger than the sum of its proper divisors (11966645464).

12243043424 is a wasteful number, since it uses less digits than its factorization.

12243043424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685678 (or 1685670 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12243043424 its reverse (42434034221), we get a palindrome (54677077645).

The spelling of 12243043424 in words is "twelve billion, two hundred forty-three million, forty-three thousand, four hundred twenty-four".