12871980796601 has 2 divisors, whose sum is σ = 12871980796602. Its totient is φ = 12871980796600.

The previous prime is 12871980796559. The next prime is 12871980796637. The reversal of 12871980796601 is 10669708917821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10372811869225 + 2499168927376 = 3220685^2 + 1580876^2 .

It is an emirp because it is prime and its reverse (10669708917821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12871980796601 - 2³⁰ = 12870907054777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12871980796501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435990398300 + 6435990398301.

It is an arithmetic number, because the mean of its divisors is an integer number (6435990398301).

Almost surely, 2^{12871980796601} is an apocalyptic number.

It is an amenable number.

12871980796601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12871980796601 is an equidigital number, since it uses as much as digits as its factorization.

12871980796601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 65.

The spelling of 12871980796601 in words is "twelve trillion, eight hundred seventy-one billion, nine hundred eighty million, seven hundred ninety-six thousand, six hundred one".