13107012434221 has 2 divisors, whose sum is σ = 13107012434222. Its totient is φ = 13107012434220.

The previous prime is 13107012434213. The next prime is 13107012434233. The reversal of 13107012434221 is 12243421070131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8402403716100 + 4704608718121 = 2898690^2 + 2169011^2 .

It is an emirp because it is prime and its reverse (12243421070131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13107012434221 - 2³ = 13107012434213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13107012434291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6553506217110 + 6553506217111.

It is an arithmetic number, because the mean of its divisors is an integer number (6553506217111).

Almost surely, 2^{13107012434221} is an apocalyptic number.

It is an amenable number.

13107012434221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13107012434221 is an equidigital number, since it uses as much as digits as its factorization.

13107012434221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 13107012434221 in words is "thirteen trillion, one hundred seven billion, twelve million, four hundred thirty-four thousand, two hundred twenty-one".