13112221210 has 128 divisors (see below), whose sum is σ = 28022713344. Its totient is φ = 4363714560.

The previous prime is 13112221189. The next prime is 13112221219. The reversal of 13112221210 is 1212221131.

It is not an unprimeable number, because it can be changed into a prime (13112221219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16962384 + ... + 16963156.

It is an arithmetic number, because the mean of its divisors is an integer number (218927448).

Almost surely, 2^13112221210 is an apocalyptic number.

13112221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13112221210 is an abundant number, since it is smaller than the sum of its proper divisors (14910492134).

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

13112221210 is a wasteful number, since it uses less digits than its factorization.

13112221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13112221210 its reverse (1212221131), we get a palindrome (14324442341).

The spelling of 13112221210 in words is "thirteen billion, one hundred twelve million, two hundred twenty-one thousand, two hundred ten".