12871397897267 has 32 divisors (see below), whose sum is σ = 16680666777600. Its totient is φ = 9644973015168.

The previous prime is 12871397897257. The next prime is 12871397897291. The reversal of 12871397897267 is 76279879317821.

It is a cyclic number.

It is not a de Polignac number, because 12871397897267 - 2¹⁶ = 12871397831731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12871397897257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4430198 + ... + 6735684.

It is an arithmetic number, because the mean of its divisors is an integer number (521270836800).

Almost surely, 2^{12871397897267} is an apocalyptic number.

12871397897267 is a deficient number, since it is larger than the sum of its proper divisors (3809268880333).

12871397897267 is a wasteful number, since it uses less digits than its factorization.

12871397897267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308755.

The product of its digits is 896168448, while the sum is 77.

The spelling of 12871397897267 in words is "twelve trillion, eight hundred seventy-one billion, three hundred ninety-seven million, eight hundred ninety-seven thousand, two hundred sixty-seven".