122209541243 has 2 divisors, whose sum is σ = 122209541244. Its totient is φ = 122209541242.

The previous prime is 122209541227. The next prime is 122209541269. The reversal of 122209541243 is 342145902221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122209541243 - 2⁴ = 122209541227 is a prime.

It is not a weakly prime, because it can be changed into another prime (122206541243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61104770621 + 61104770622.

It is an arithmetic number, because the mean of its divisors is an integer number (61104770622).

Almost surely, 2^122209541243 is an apocalyptic number.

122209541243 is a deficient number, since it is larger than the sum of its proper divisors (1).

122209541243 is an equidigital number, since it uses as much as digits as its factorization.

122209541243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 122209541243 in words is "one hundred twenty-two billion, two hundred nine million, five hundred forty-one thousand, two hundred forty-three".