12421306424 has 64 divisors (see below), whose sum is σ = 24390512640. Its totient is φ = 5923572480.

The previous prime is 12421306399. The next prime is 12421306427. The reversal of 12421306424 is 42460312421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421306427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5950709 + ... + 5952795.

It is an arithmetic number, because the mean of its divisors is an integer number (381101760).

Almost surely, 2^12421306424 is an apocalyptic number.

It is an amenable number.

12421306424 is a deficient number, since it is larger than the sum of its proper divisors (11969206216).

12421306424 is a wasteful number, since it uses less digits than its factorization.

12421306424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12421306424 its reverse (42460312421), we get a palindrome (54881618845).

The spelling of 12421306424 in words is "twelve billion, four hundred twenty-one million, three hundred six thousand, four hundred twenty-four".