122112202009 has 8 divisors (see below), whose sum is σ = 139568696768. Its totient is φ = 104658680880.

The previous prime is 122112201923. The next prime is 122112202027. The reversal of 122112202009 is 900202211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122112202009 - 2⁷ = 122112201881 is a prime.

It is a super-2 number, since 2×122112202009² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122112202039) 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 7 ways as a sum of consecutive naturals, for example, 654702 + ... + 820279.

It is an arithmetic number, because the mean of its divisors is an integer number (17446087096).

Almost surely, 2^122112202009 is an apocalyptic number.

It is an amenable number.

122112202009 is a deficient number, since it is larger than the sum of its proper divisors (17456494759).

122112202009 is a wasteful number, since it uses less digits than its factorization.

122112202009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486815.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 122112202009 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred two thousand, nine".