13320440121301 has 12 divisors (see below), whose sum is σ = 14382055567780. Its totient is φ = 12331362101760.

The previous prime is 13320440121299. The next prime is 13320440121349. The reversal of 13320440121301 is 10312104402331.

It can be written as a sum of positive squares in 6 ways, for example, as 1093885892100 + 12226554229201 = 1045890^2 + 3496649^2 .

It is not a de Polignac number, because 13320440121301 - 2¹ = 13320440121299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320440121601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377781456 + ... + 377816713.

Almost surely, 2^{13320440121301} is an apocalyptic number.

It is an amenable number.

13320440121301 is a deficient number, since it is larger than the sum of its proper divisors (1061615446479).

13320440121301 is an equidigital number, since it uses as much as digits as its factorization.

13320440121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755598264 (or 755598247 counting only the distinct ones).

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

Adding to 13320440121301 its reverse (10312104402331), we get a palindrome (23632544523632).

The spelling of 13320440121301 in words is "thirteen trillion, three hundred twenty billion, four hundred forty million, one hundred twenty-one thousand, three hundred one".