13201322120 has 64 divisors (see below), whose sum is σ = 35943108480. Its totient is φ = 4259920896.

The previous prime is 13201322107. The next prime is 13201322129. The reversal of 13201322120 is 2122310231.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (13201322129) 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 15 ways as a sum of consecutive naturals, for example, 1381934 + ... + 1391453.

It is an arithmetic number, because the mean of its divisors is an integer number (561611070).

Almost surely, 2^13201322120 is an apocalyptic number.

13201322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201322120 is an abundant number, since it is smaller than the sum of its proper divisors (22741786360).

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

13201322120 is a wasteful number, since it uses less digits than its factorization.

13201322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773422 (or 2773418 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13201322120 its reverse (2122310231), we get a palindrome (15323632351).

The spelling of 13201322120 in words is "thirteen billion, two hundred one million, three hundred twenty-two thousand, one hundred twenty".