13112304013240 has 128 divisors (see below), whose sum is σ = 29867053717440. Its totient is φ = 5180456042496.

The previous prime is 13112304013181. The next prime is 13112304013241. The reversal of 13112304013240 is 4231040321131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112304013241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4179884952 + ... + 4179888088.

Almost surely, 2^{13112304013240} is an apocalyptic number.

13112304013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112304013240 is an abundant number, since it is smaller than the sum of its proper divisors (16754749704200).

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

13112304013240 is a wasteful number, since it uses less digits than its factorization.

13112304013240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849 (or 5845 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13112304013240 its reverse (4231040321131), we get a palindrome (17343344334371).

The spelling of 13112304013240 in words is "thirteen trillion, one hundred twelve billion, three hundred four million, thirteen thousand, two hundred forty".