13112013120 has 112 divisors (see below), whose sum is σ = 41684569920. Its totient is φ = 3492007936.

The previous prime is 13112013073. The next prime is 13112013127. The reversal of 13112013120 is 2131021131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13112013120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112013127) 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, 768199 + ... + 785081.

It is an arithmetic number, because the mean of its divisors is an integer number (372183660).

Almost surely, 2^13112013120 is an apocalyptic number.

13112013120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13112013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20842284960).

13112013120 is an abundant number, since it is smaller than the sum of its proper divisors (28572556800).

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

13112013120 is a wasteful number, since it uses less digits than its factorization.

13112013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17712 (or 17702 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13112013120 its reverse (2131021131), we get a palindrome (15243034251).

The spelling of 13112013120 in words is "thirteen billion, one hundred twelve million, thirteen thousand, one hundred twenty".