122209541227 has 2 divisors, whose sum is σ = 122209541228. Its totient is φ = 122209541226.

The previous prime is 122209541131. The next prime is 122209541243. The reversal of 122209541227 is 722145902221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122209541227 - 2¹⁹ = 122209016939 is a prime.

It is not a weakly prime, because it can be changed into another prime (122209541297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61104770613 + 61104770614.

It is an arithmetic number, because the mean of its divisors is an integer number (61104770614).

Almost surely, 2^122209541227 is an apocalyptic number.

122209541227 is a deficient number, since it is larger than the sum of its proper divisors (1).

122209541227 is an equidigital number, since it uses as much as digits as its factorization.

122209541227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 122209541227 in words is "one hundred twenty-two billion, two hundred nine million, five hundred forty-one thousand, two hundred twenty-seven".