13121131113232 has 40 divisors (see below), whose sum is σ = 26315603193600. Its totient is φ = 6330296472192.

The previous prime is 13121131113229. The next prime is 13121131113239. The reversal of 13121131113232 is 23231113112131.

13121131113232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13121131113197 and 13121131113206.

It is not an unprimeable number, because it can be changed into a prime (13121131113239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8295982 + ... + 9750157.

It is an arithmetic number, because the mean of its divisors is an integer number (657890079840).

Almost surely, 2^{13121131113232} is an apocalyptic number.

It is an amenable number.

13121131113232 is an abundant number, since it is smaller than the sum of its proper divisors (13194472080368).

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

13121131113232 is a wasteful number, since it uses less digits than its factorization.

13121131113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18047743 (or 18047737 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

Adding to 13121131113232 its reverse (23231113112131), we get a palindrome (36352244225363).

The spelling of 13121131113232 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred thirty-two".