13004320421201 has 4 divisors (see below), whose sum is σ = 13306746477552. Its totient is φ = 12701894364852.

The previous prime is 13004320421173. The next prime is 13004320421207. The reversal of 13004320421201 is 10212402340031.

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 a cyclic number.

It is not a de Polignac number, because 13004320421201 - 2³⁰ = 13003246679377 is a prime.

It is a super-2 number, since 2×13004320421201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13004320421207) 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, 151213028111 + ... + 151213028196.

It is an arithmetic number, because the mean of its divisors is an integer number (3326686619388).

Almost surely, 2^{13004320421201} is an apocalyptic number.

It is an amenable number.

13004320421201 is a deficient number, since it is larger than the sum of its proper divisors (302426056351).

13004320421201 is an equidigital number, since it uses as much as digits as its factorization.

13004320421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302426056350.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13004320421201 its reverse (10212402340031), we get a palindrome (23216722761232).

The spelling of 13004320421201 in words is "thirteen trillion, four billion, three hundred twenty million, four hundred twenty-one thousand, two hundred one".