12006855671 has 2 divisors, whose sum is σ = 12006855672. Its totient is φ = 12006855670.

The previous prime is 12006855661. The next prime is 12006855673. The reversal of 12006855671 is 17655860021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12006855671 - 2¹⁴ = 12006839287 is a prime.

Together with 12006855673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12006855673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003427835 + 6003427836.

It is an arithmetic number, because the mean of its divisors is an integer number (6003427836).

Almost surely, 2^12006855671 is an apocalyptic number.

12006855671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12006855671 is an equidigital number, since it uses as much as digits as its factorization.

12006855671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 12006855671 in words is "twelve billion, six million, eight hundred fifty-five thousand, six hundred seventy-one".