12871928481901 has 8 divisors (see below), whose sum is σ = 13016625852600. Its totient is φ = 12727232643840.

The previous prime is 12871928481887. The next prime is 12871928481941. The reversal of 12871928481901 is 10918482917821.

It can be written as a sum of positive squares in 4 ways, for example, as 5719994505801 + 7151933976100 = 2391651^2 + 2674310^2 .

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 12871928481901 - 2⁷ = 12871928481773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12871928481901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871928481941) 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, 29756995 + ... + 30186463.

It is an arithmetic number, because the mean of its divisors is an integer number (1627078231575).

Almost surely, 2^{12871928481901} is an apocalyptic number.

It is an amenable number.

12871928481901 is a deficient number, since it is larger than the sum of its proper divisors (144697370699).

12871928481901 is an equidigital number, since it uses as much as digits as its factorization.

12871928481901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766319.

The product of its (nonzero) digits is 4644864, while the sum is 61.

The spelling of 12871928481901 in words is "twelve trillion, eight hundred seventy-one billion, nine hundred twenty-eight million, four hundred eighty-one thousand, nine hundred one".