200012112109 has 2 divisors, whose sum is σ = 200012112110. Its totient is φ = 200012112108.

The previous prime is 200012112061. The next prime is 200012112119. The reversal of 200012112109 is 901211210002.

It is a happy number.

200012112109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188375096484 + 11637015625 = 434022^2 + 107875^2 .

It is a cyclic number.

It is not a de Polignac number, because 200012112109 - 2¹¹ = 200012110061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200012112119) 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 as a sum of consecutive naturals, namely, 100006056054 + 100006056055.

It is an arithmetic number, because the mean of its divisors is an integer number (100006056055).

Almost surely, 2^200012112109 is an apocalyptic number.

It is an amenable number.

200012112109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012112109 is an equidigital number, since it uses as much as digits as its factorization.

200012112109 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 19.

The spelling of 200012112109 in words is "two hundred billion, twelve million, one hundred twelve thousand, one hundred nine".