12198912227 has 2 divisors, whose sum is σ = 12198912228. Its totient is φ = 12198912226.

The previous prime is 12198912203. The next prime is 12198912233. The reversal of 12198912227 is 72221989121.

12198912227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (72221989121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12198912227 - 2²⁸ = 11930476771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12198912277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6099456113 + 6099456114.

It is an arithmetic number, because the mean of its divisors is an integer number (6099456114).

Almost surely, 2^12198912227 is an apocalyptic number.

12198912227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12198912227 is an equidigital number, since it uses as much as digits as its factorization.

12198912227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The spelling of 12198912227 in words is "twelve billion, one hundred ninety-eight million, nine hundred twelve thousand, two hundred twenty-seven".