12102287 has 2 divisors, whose sum is σ = 12102288. Its totient is φ = 12102286.

The previous prime is 12102271. The next prime is 12102289. The reversal of 12102287 is 78220121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12102287 - 2⁴ = 12102271 is a prime.

Together with 12102289, 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 (12102289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051143 + 6051144.

It is an arithmetic number, because the mean of its divisors is an integer number (6051144).

Almost surely, 2^12102287 is an apocalyptic number.

12102287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102287 is an equidigital number, since it uses as much as digits as its factorization.

12102287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12102287 is about 3478.8341437901. The cubic root of 12102287 is about 229.5915055415.

The spelling of 12102287 in words is "twelve million, one hundred two thousand, two hundred eighty-seven".