13200135023221 has 8 divisors (see below), whose sum is σ = 13593835212800. Its totient is φ = 12808379032848.

The previous prime is 13200135023197. The next prime is 13200135023261. The reversal of 13200135023221 is 12232053100231.

13200135023221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13200135023221 - 2⁷ = 13200135023093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200135023261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486036021 + ... + 486063178.

It is an arithmetic number, because the mean of its divisors is an integer number (1699229401600).

Almost surely, 2^{13200135023221} is an apocalyptic number.

It is an amenable number.

13200135023221 is a deficient number, since it is larger than the sum of its proper divisors (393700189579).

13200135023221 is an equidigital number, since it uses as much as digits as its factorization.

13200135023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972099603.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13200135023221 its reverse (12232053100231), we get a palindrome (25432188123452).

The spelling of 13200135023221 in words is "thirteen trillion, two hundred billion, one hundred thirty-five million, twenty-three thousand, two hundred twenty-one".