13201223133 has 16 divisors (see below), whose sum is σ = 20526684800. Its totient is φ = 7543555488.

The previous prime is 13201223111. The next prime is 13201223149. The reversal of 13201223133 is 33132210231.

It is a de Polignac number, because none of the positive numbers 2^k-13201223133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201223033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6413560 + ... + 6415617.

It is an arithmetic number, because the mean of its divisors is an integer number (1282917800).

Almost surely, 2^13201223133 is an apocalyptic number.

It is an amenable number.

13201223133 is a deficient number, since it is larger than the sum of its proper divisors (7325461667).

13201223133 is an equidigital number, since it uses as much as digits as its factorization.

13201223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12829201 (or 12829187 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13201223133 its reverse (33132210231), we get a palindrome (46333433364).

The spelling of 13201223133 in words is "thirteen billion, two hundred one million, two hundred twenty-three thousand, one hundred thirty-three".