12671577235071 has 16 divisors (see below), whose sum is σ = 18772775751520. Its totient is φ = 8447687225280.

The previous prime is 12671577235069. The next prime is 12671577235081. The reversal of 12671577235071 is 17053277517621.

It is a happy number.

12671577235071 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 157 + 72 + 350 + 71 = 666.

It is not a de Polignac number, because 12671577235071 - 2¹ = 12671577235069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12671577234999 and 12671577235017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671577235001) 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, 8508201 + ... + 9885981.

It is an arithmetic number, because the mean of its divisors is an integer number (1173298484470).

Almost surely, 2^{12671577235071} is an apocalyptic number.

12671577235071 is a deficient number, since it is larger than the sum of its proper divisors (6101198516449).

12671577235071 is a wasteful number, since it uses less digits than its factorization.

12671577235071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718423 (or 1718417 counting only the distinct ones).

The product of its (nonzero) digits is 4321800, while the sum is 54.

The spelling of 12671577235071 in words is "twelve trillion, six hundred seventy-one billion, five hundred seventy-seven million, two hundred thirty-five thousand, seventy-one".