12420412401 has 4 divisors (see below), whose sum is σ = 16560549872. Its totient is φ = 8280274932.

The previous prime is 12420412393. The next prime is 12420412547. The reversal of 12420412401 is 10421402421.

12420412401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12420412401 - 2³ = 12420412393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12420412801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070068731 + ... + 2070068736.

It is an arithmetic number, because the mean of its divisors is an integer number (4140137468).

Almost surely, 2^12420412401 is an apocalyptic number.

It is an amenable number.

12420412401 is a deficient number, since it is larger than the sum of its proper divisors (4140137471).

12420412401 is an equidigital number, since it uses as much as digits as its factorization.

12420412401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140137470.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12420412401 its reverse (10421402421), we get a palindrome (22841814822).

The spelling of 12420412401 in words is "twelve billion, four hundred twenty million, four hundred twelve thousand, four hundred one".