13122607755421 has 8 divisors (see below), whose sum is σ = 13218883070400. Its totient is φ = 13026359127360.

The previous prime is 13122607755377. The next prime is 13122607755449. The reversal of 13122607755421 is 12455770622131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13122607755421 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 (13122607755461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5684140 + ... + 7652101.

It is an arithmetic number, because the mean of its divisors is an integer number (1652360383800).

Almost surely, 2^{13122607755421} is an apocalyptic number.

It is an amenable number.

13122607755421 is a deficient number, since it is larger than the sum of its proper divisors (96275314979).

13122607755421 is a wasteful number, since it uses less digits than its factorization.

13122607755421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13343459.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 13122607755421 in words is "thirteen trillion, one hundred twenty-two billion, six hundred seven million, seven hundred fifty-five thousand, four hundred twenty-one".