13221002200 has 48 divisors (see below), whose sum is σ = 35130095280. Its totient is φ = 4532914560.

The previous prime is 13221002177. The next prime is 13221002213. The reversal of 13221002200 is 220012231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4720387 + ... + 4723186.

It is an arithmetic number, because the mean of its divisors is an integer number (731876985).

Almost surely, 2^13221002200 is an apocalyptic number.

13221002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221002200 is an abundant number, since it is smaller than the sum of its proper divisors (21909093080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221002200 is a wasteful number, since it uses less digits than its factorization.

13221002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443596 (or 9443587 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 13221002200 its reverse (220012231), we get a palindrome (13441014431).

The spelling of 13221002200 in words is "thirteen billion, two hundred twenty-one million, two thousand, two hundred".