12421423413 has 96 divisors (see below), whose sum is σ = 22737801600. Its totient is φ = 6663347712.

The previous prime is 12421423409. The next prime is 12421423453. The reversal of 12421423413 is 31432412421.

12421423413 is a `hidden beast` number, since 1 + 2 + 421 + 4 + 234 + 1 + 3 = 666.

It is not a de Polignac number, because 12421423413 - 2² = 12421423409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421423453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2838295 + ... + 2842667.

It is an arithmetic number, because the mean of its divisors is an integer number (236852100).

Almost surely, 2^12421423413 is an apocalyptic number.

It is an amenable number.

12421423413 is a deficient number, since it is larger than the sum of its proper divisors (10316378187).

12421423413 is a wasteful number, since it uses less digits than its factorization.

12421423413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4515 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 12421423413 its reverse (31432412421), we get a palindrome (43853835834).

The spelling of 12421423413 in words is "twelve billion, four hundred twenty-one million, four hundred twenty-three thousand, four hundred thirteen".