122017646312 has 16 divisors (see below), whose sum is σ = 229968494340. Its totient is φ = 60692714496.

The previous prime is 122017646293. The next prime is 122017646323. The reversal of 122017646312 is 213646710221.

It can be written as a sum of positive squares in 2 ways, for example, as 119794900996 + 2222745316 = 346114^2 + 47146^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39511943 + ... + 39515030.

Almost surely, 2^122017646312 is an apocalyptic number.

It is an amenable number.

122017646312 is a deficient number, since it is larger than the sum of its proper divisors (107950848028).

122017646312 is a wasteful number, since it uses less digits than its factorization.

122017646312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79027172 (or 79027168 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 122017646312 in words is "one hundred twenty-two billion, seventeen million, six hundred forty-six thousand, three hundred twelve".