13221230120 has 32 divisors (see below), whose sum is σ = 33997449600. Its totient is φ = 4532993088.

The previous prime is 13221230059. The next prime is 13221230137. The reversal of 13221230120 is 2103212231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23609060 + ... + 23609619.

It is an arithmetic number, because the mean of its divisors is an integer number (1062420300).

Almost surely, 2^13221230120 is an apocalyptic number.

13221230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221230120 is an abundant number, since it is smaller than the sum of its proper divisors (20776219480).

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

13221230120 is a wasteful number, since it uses less digits than its factorization.

13221230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47218697 (or 47218693 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13221230120 its reverse (2103212231), we get a palindrome (15324442351).

The spelling of 13221230120 in words is "thirteen billion, two hundred twenty-one million, two hundred thirty thousand, one hundred twenty".