200010122009 has 2 divisors, whose sum is σ = 200010122010. Its totient is φ = 200010122008.

The previous prime is 200010121939. The next prime is 200010122021. The reversal of 200010122009 is 900221010002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178831723225 + 21178398784 = 422885^2 + 145528^2 .

It is a cyclic number.

It is not a de Polignac number, because 200010122009 - 2³⁶ = 131290645273 is a prime.

It is not a weakly prime, because it can be changed into another prime (200010122099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005061004 + 100005061005.

It is an arithmetic number, because the mean of its divisors is an integer number (100005061005).

Almost surely, 2^200010122009 is an apocalyptic number.

It is an amenable number.

200010122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

200010122009 is an equidigital number, since it uses as much as digits as its factorization.

200010122009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 200010122009 in words is "two hundred billion, ten million, one hundred twenty-two thousand, nine".