12845415227 has 2 divisors, whose sum is σ = 12845415228. Its totient is φ = 12845415226.

The previous prime is 12845415221. The next prime is 12845415239. The reversal of 12845415227 is 72251454821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12845415227 - 2¹⁰ = 12845414203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12845415221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422707613 + 6422707614.

It is an arithmetic number, because the mean of its divisors is an integer number (6422707614).

Almost surely, 2^12845415227 is an apocalyptic number.

12845415227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845415227 is an equidigital number, since it uses as much as digits as its factorization.

12845415227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179200, while the sum is 41.

The spelling of 12845415227 in words is "twelve billion, eight hundred forty-five million, four hundred fifteen thousand, two hundred twenty-seven".