12871053487112 has 36 divisors (see below), whose sum is σ = 24736996601415. Its totient is φ = 6278359729920.

The previous prime is 12871053487099. The next prime is 12871053487141. The reversal of 12871053487112 is 21178435017821.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 594481092676 + 12276572394436 = 771026^2 + 3503794^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2536834.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 416025308 + ... + 416056244.

Almost surely, 2^{12871053487112} is an apocalyptic number.

It is an amenable number.

12871053487112 is a deficient number, since it is larger than the sum of its proper divisors (11865943114303).

12871053487112 is an frugal number, since it uses more digits than its factorization.

12871053487112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61962 (or 30980 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 50.

Multiplying 12871053487112 by its sum of digits (50), we get a square (643552674355600 = 25368340²).

The spelling of 12871053487112 in words is "twelve trillion, eight hundred seventy-one billion, fifty-three million, four hundred eighty-seven thousand, one hundred twelve".