13013221203 has 12 divisors (see below), whose sum is σ = 18866755440. Its totient is φ = 8643228336.

The previous prime is 13013221187. The next prime is 13013221213. The reversal of 13013221203 is 30212231031.

It is not a de Polignac number, because 13013221203 - 2⁴ = 13013221187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13013221213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2685151 + ... + 2689992.

It is an arithmetic number, because the mean of its divisors is an integer number (1572229620).

Almost surely, 2^13013221203 is an apocalyptic number.

13013221203 is a deficient number, since it is larger than the sum of its proper divisors (5853534237).

13013221203 is a wasteful number, since it uses less digits than its factorization.

13013221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375418 (or 5375415 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13013221203 its reverse (30212231031), we get a palindrome (43225452234).

The spelling of 13013221203 in words is "thirteen billion, thirteen million, two hundred twenty-one thousand, two hundred three".