12871771704285 has 16 divisors (see below), whose sum is σ = 22179052783104. Its totient is φ = 6336872223552.

The previous prime is 12871771704193. The next prime is 12871771704287. The reversal of 12871771704285 is 58240717717821.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12871771704285 is a prime.

It is a super-2 number, since 2×12871771704285² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871771704287) 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, 33004542637 + ... + 33004543026.

It is an arithmetic number, because the mean of its divisors is an integer number (1386190798944).

Almost surely, 2^{12871771704285} is an apocalyptic number.

12871771704285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12871771704285 is a deficient number, since it is larger than the sum of its proper divisors (9307281078819).

12871771704285 is a wasteful number, since it uses less digits than its factorization.

12871771704285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66009085684.

The product of its (nonzero) digits is 12293120, while the sum is 60.

The spelling of 12871771704285 in words is "twelve trillion, eight hundred seventy-one billion, seven hundred seventy-one million, seven hundred four thousand, two hundred eighty-five".