13220322112 has 28 divisors (see below), whose sum is σ = 26664151396. Its totient is φ = 6501795840.

The previous prime is 13220322097. The next prime is 13220322169. The reversal of 13220322112 is 21122302231.

13220322112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5302169856 + 7918152256 = 72816^2 + 88984^2 .

It is a super-2 number, since 2×13220322112² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13220322112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689273 + ... + 1697080.

Almost surely, 2^13220322112 is an apocalyptic number.

It is an amenable number.

13220322112 is an abundant number, since it is smaller than the sum of its proper divisors (13443829284).

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

13220322112 is an equidigital number, since it uses as much as digits as its factorization.

13220322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386426 (or 3386416 counting only the distinct ones).

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

Adding to 13220322112 its reverse (21122302231), we get a palindrome (34342624343).

The spelling of 13220322112 in words is "thirteen billion, two hundred twenty million, three hundred twenty-two thousand, one hundred twelve".