13011121300 has 18 divisors (see below), whose sum is σ = 28234133438. Its totient is φ = 5204448480.

The previous prime is 13011121247. The next prime is 13011121301. The reversal of 13011121300 is 312111031.

It can be written as a sum of positive squares in 3 ways, for example, as 127509264 + 12883612036 = 11292^2 + 113506^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011121301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65055507 + ... + 65055706.

Almost surely, 2^13011121300 is an apocalyptic number.

13011121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011121300 is an abundant number, since it is smaller than the sum of its proper divisors (15223012138).

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

13011121300 is a wasteful number, since it uses less digits than its factorization.

13011121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130111227 (or 130111220 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13011121300 its reverse (312111031), we get a palindrome (13323232331).

The spelling of 13011121300 in words is "thirteen billion, eleven million, one hundred twenty-one thousand, three hundred".