13121303111300 has 72 divisors (see below), whose sum is σ = 29463584209920. Its totient is φ = 5066795001600.

The previous prime is 13121303111281. The next prime is 13121303111309. The reversal of 13121303111300 is 311130312131.

13121303111300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13121303111300² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13121303111309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3906524 + ... + 6442323.

It is an arithmetic number, because the mean of its divisors is an integer number (409216447360).

Almost surely, 2^{13121303111300} is an apocalyptic number.

13121303111300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121303111300 is an abundant number, since it is smaller than the sum of its proper divisors (16342281098620).

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

13121303111300 is a wasteful number, since it uses less digits than its factorization.

13121303111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10349301 (or 10349294 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 13121303111300 its reverse (311130312131), we get a palindrome (13432433423431).

The spelling of 13121303111300 in words is "thirteen trillion, one hundred twenty-one billion, three hundred three million, one hundred eleven thousand, three hundred".