13112401313220 has 192 divisors, whose sum is σ = 40103333093376. Its totient is φ = 3174726597120.

The previous prime is 13112401313149. The next prime is 13112401313237. The reversal of 13112401313220 is 2231310421131.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3325486569 + ... + 3325490511.

It is an arithmetic number, because the mean of its divisors is an integer number (208871526528).

Almost surely, 2^{13112401313220} is an apocalyptic number.

13112401313220 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 13112401313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20051666546688).

13112401313220 is an abundant number, since it is smaller than the sum of its proper divisors (26990931780156).

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

13112401313220 is a wasteful number, since it uses less digits than its factorization.

13112401313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090 (or 9088 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13112401313220 its reverse (2231310421131), we get a palindrome (15343711734351).

The spelling of 13112401313220 in words is "thirteen trillion, one hundred twelve billion, four hundred one million, three hundred thirteen thousand, two hundred twenty".