13122420053305 has 8 divisors (see below), whose sum is σ = 15747759380232. Its totient is φ = 10497365831808.

The previous prime is 13122420053263. The next prime is 13122420053321. The reversal of 13122420053305 is 50335002422131.

It can be written as a sum of positive squares in 4 ways, for example, as 262299671104 + 12860120382201 = 512152^2 + 3586101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122420053305 - 2²⁷ = 13122285835577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71175084 + ... + 71359213.

It is an arithmetic number, because the mean of its divisors is an integer number (1968469922529).

Almost surely, 2^{13122420053305} is an apocalyptic number.

It is an amenable number.

13122420053305 is a deficient number, since it is larger than the sum of its proper divisors (2625339326927).

13122420053305 is a wasteful number, since it uses less digits than its factorization.

13122420053305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142552715.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 13122420053305 its reverse (50335002422131), we get a palindrome (63457422475436).

The spelling of 13122420053305 in words is "thirteen trillion, one hundred twenty-two billion, four hundred twenty million, fifty-three thousand, three hundred five".