13220244112 has 20 divisors (see below), whose sum is σ = 25631824240. Its totient is φ = 6605579808.

The previous prime is 13220244073. The next prime is 13220244113. The reversal of 13220244112 is 21144202231.

It is not an unprimeable number, because it can be changed into a prime (13220244113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259818 + ... + 306505.

It is an arithmetic number, because the mean of its divisors is an integer number (1281591212).

Almost surely, 2^13220244112 is an apocalyptic number.

It is an amenable number.

13220244112 is a deficient number, since it is larger than the sum of its proper divisors (12411580128).

13220244112 is a wasteful number, since it uses less digits than its factorization.

13220244112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567790 (or 567784 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13220244112 its reverse (21144202231), we get a palindrome (34364446343).

The spelling of 13220244112 in words is "thirteen billion, two hundred twenty million, two hundred forty-four thousand, one hundred twelve".