12127085287 has 2 divisors, whose sum is σ = 12127085288. Its totient is φ = 12127085286.

The previous prime is 12127085279. The next prime is 12127085309. The reversal of 12127085287 is 78258072121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12127085287 - 2³ = 12127085279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12127085587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063542643 + 6063542644.

It is an arithmetic number, because the mean of its divisors is an integer number (6063542644).

Almost surely, 2^12127085287 is an apocalyptic number.

12127085287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12127085287 is an equidigital number, since it uses as much as digits as its factorization.

12127085287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 12127085287 in words is "twelve billion, one hundred twenty-seven million, eighty-five thousand, two hundred eighty-seven".