13121320301300 has 36 divisors (see below), whose sum is σ = 28479741619980. Its totient is φ = 5247334283520.

The previous prime is 13121320301291. The next prime is 13121320301333. The reversal of 13121320301300 is 310302312131.

It can be written as a sum of positive squares in 6 ways, for example, as 564403607824 + 12556916693476 = 751268^2 + 3543574^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14481065 + ... + 15360464.

Almost surely, 2^{13121320301300} is an apocalyptic number.

13121320301300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121320301300 is an abundant number, since it is smaller than the sum of its proper divisors (15358421318680).

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

13121320301300 is a wasteful number, since it uses less digits than its factorization.

13121320301300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29845940 (or 29845933 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13121320301300 its reverse (310302312131), we get a palindrome (13431622613431).

The spelling of 13121320301300 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty million, three hundred one thousand, three hundred".