12705283271 has 2 divisors, whose sum is σ = 12705283272. Its totient is φ = 12705283270.

The previous prime is 12705283189. The next prime is 12705283291. The reversal of 12705283271 is 17238250721.

It is a strong prime.

It is an emirp because it is prime and its reverse (17238250721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12705283271 is a prime.

It is a super-2 number, since 2×12705283271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12705283291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352641635 + 6352641636.

It is an arithmetic number, because the mean of its divisors is an integer number (6352641636).

Almost surely, 2^12705283271 is an apocalyptic number.

12705283271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12705283271 is an equidigital number, since it uses as much as digits as its factorization.

12705283271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 12705283271 in words is "twelve billion, seven hundred five million, two hundred eighty-three thousand, two hundred seventy-one".