13222213120 has 80 divisors (see below), whose sum is σ = 31764248208. Its totient is φ = 5278556160.

The previous prime is 13222213057. The next prime is 13222213127. The reversal of 13222213120 is 2131222231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222213127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380187 + ... + 1389733.

Almost surely, 2^13222213120 is an apocalyptic number.

13222213120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15882124104).

13222213120 is an abundant number, since it is smaller than the sum of its proper divisors (18542035088).

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

13222213120 is an frugal number, since it uses more digits than its factorization.

13222213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111 (or 10095 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13222213120 its reverse (2131222231), we get a palindrome (15353435351).

The spelling of 13222213120 in words is "thirteen billion, two hundred twenty-two million, two hundred thirteen thousand, one hundred twenty".