13213440112 has 20 divisors (see below), whose sum is σ = 25604939800. Its totient is φ = 6605713728.

The previous prime is 13213440103. The next prime is 13213440113. The reversal of 13213440112 is 21104431231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213440113) 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, 51763 + ... + 170605.

It is an arithmetic number, because the mean of its divisors is an integer number (1280246990).

Almost surely, 2^13213440112 is an apocalyptic number.

It is an amenable number.

13213440112 is a deficient number, since it is larger than the sum of its proper divisors (12391499688).

13213440112 is a wasteful number, since it uses less digits than its factorization.

13213440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125800 (or 125794 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13213440112 its reverse (21104431231), we get a palindrome (34317871343).

The spelling of 13213440112 in words is "thirteen billion, two hundred thirteen million, four hundred forty thousand, one hundred twelve".