12285975287 has 2 divisors, whose sum is σ = 12285975288. Its totient is φ = 12285975286.

The previous prime is 12285975257. The next prime is 12285975311. The reversal of 12285975287 is 78257958221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12285975287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12285975227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142987643 + 6142987644.

It is an arithmetic number, because the mean of its divisors is an integer number (6142987644).

Almost surely, 2^12285975287 is an apocalyptic number.

12285975287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12285975287 is an equidigital number, since it uses as much as digits as its factorization.

12285975287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 56.

The spelling of 12285975287 in words is "twelve billion, two hundred eighty-five million, nine hundred seventy-five thousand, two hundred eighty-seven".