12871928481919 has 16 divisors (see below), whose sum is σ = 14591792051200. Its totient is φ = 11256321279456.

The previous prime is 12871928481887. The next prime is 12871928481941. The reversal of 12871928481919 is 91918482917821.

It is a cyclic number.

It is not a de Polignac number, because 12871928481919 - 2⁵ = 12871928481887 is a prime.

It is a super-3 number, since 3×12871928481919³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871928481019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43264222 + ... + 43560724.

It is an arithmetic number, because the mean of its divisors is an integer number (911987003200).

Almost surely, 2^{12871928481919} is an apocalyptic number.

12871928481919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12871928481919 is a deficient number, since it is larger than the sum of its proper divisors (1719863569281).

12871928481919 is a wasteful number, since it uses less digits than its factorization.

12871928481919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472294.

The product of its digits is 41803776, while the sum is 70.

The spelling of 12871928481919 in words is "twelve trillion, eight hundred seventy-one billion, nine hundred twenty-eight million, four hundred eighty-one thousand, nine hundred nineteen".