12975247637271 has 6 divisors (see below), whose sum is σ = 18742024364960. Its totient is φ = 8650165091508.

The previous prime is 12975247637269. The next prime is 12975247637281. The reversal of 12975247637271 is 17273674257921.

12975247637271 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 524 + 7 + 6 + 37 + 2 + 71 = 666.

12975247637271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12975247637271 - 2¹ = 12975247637269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12975247637199 and 12975247637208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975247637281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 720847090951 + ... + 720847090968.

Almost surely, 2^{12975247637271} is an apocalyptic number.

12975247637271 is a deficient number, since it is larger than the sum of its proper divisors (5766776727689).

12975247637271 is a wasteful number, since it uses less digits than its factorization.

12975247637271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441694181925 (or 1441694181922 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 63.

The spelling of 12975247637271 in words is "twelve trillion, nine hundred seventy-five billion, two hundred forty-seven million, six hundred thirty-seven thousand, two hundred seventy-one".