12002044013321 has 4 divisors (see below), whose sum is σ = 12002848293072. Its totient is φ = 12001239733572.

The previous prime is 12002044013279. The next prime is 12002044013339. The reversal of 12002044013321 is 12331044020021.

12002044013321 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 a cyclic number.

It is not a de Polignac number, because 12002044013321 - 2⁶ = 12002044013257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002044013341) 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, 402117491 + ... + 402147336.

It is an arithmetic number, because the mean of its divisors is an integer number (3000712073268).

Almost surely, 2^{12002044013321} is an apocalyptic number.

It is an amenable number.

12002044013321 is a deficient number, since it is larger than the sum of its proper divisors (804279751).

12002044013321 is an equidigital number, since it uses as much as digits as its factorization.

12002044013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804279750.

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

Adding to 12002044013321 its reverse (12331044020021), we get a palindrome (24333088033342).

The spelling of 12002044013321 in words is "twelve trillion, two billion, forty-four million, thirteen thousand, three hundred twenty-one".