122209541226 has 24 divisors (see below), whose sum is σ = 264795545664. Its totient is φ = 40735251240.

The previous prime is 122209541131. The next prime is 122209541227. The reversal of 122209541226 is 622145902221.

122209541226 is a `hidden beast` number, since 12 + 2 + 209 + 5 + 412 + 26 = 666.

It is not an unprimeable number, because it can be changed into a prime (122209541227) 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 in 11 ways as a sum of consecutive naturals, for example, 630925 + ... + 801551.

It is an arithmetic number, because the mean of its divisors is an integer number (11033147736).

Almost surely, 2^122209541226 is an apocalyptic number.

122209541226 is an abundant number, since it is smaller than the sum of its proper divisors (142586004438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122209541226 is a wasteful number, since it uses less digits than its factorization.

122209541226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210426 (or 210423 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 122209541226 in words is "one hundred twenty-two billion, two hundred nine million, five hundred forty-one thousand, two hundred twenty-six".