122000199985 has 16 divisors (see below), whose sum is σ = 147081614400. Its totient is φ = 97146156096.

The previous prime is 122000199961. The next prime is 122000199989. The reversal of 122000199985 is 589991000221.

It is a cyclic number.

It is not a de Polignac number, because 122000199985 - 2⁷ = 122000199857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122000199989) 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 in 15 ways as a sum of consecutive naturals, for example, 4597686 + ... + 4624144.

It is an arithmetic number, because the mean of its divisors is an integer number (9192600900).

Almost surely, 2^122000199985 is an apocalyptic number.

It is an amenable number.

122000199985 is a deficient number, since it is larger than the sum of its proper divisors (25081414415).

122000199985 is a wasteful number, since it uses less digits than its factorization.

122000199985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30720.

The product of its (nonzero) digits is 116640, while the sum is 46.

The spelling of 122000199985 in words is "one hundred twenty-two billion, one hundred ninety-nine thousand, nine hundred eighty-five".