200012340809 has 2 divisors, whose sum is σ = 200012340810. Its totient is φ = 200012340808.

The previous prime is 200012340797. The next prime is 200012340823. The reversal of 200012340809 is 908043210002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177089472400 + 22922868409 = 420820^2 + 151403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200012340809 is a prime.

It is not a weakly prime, because it can be changed into another prime (200012340109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006170404 + 100006170405.

It is an arithmetic number, because the mean of its divisors is an integer number (100006170405).

Almost surely, 2^200012340809 is an apocalyptic number.

It is an amenable number.

200012340809 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012340809 is an equidigital number, since it uses as much as digits as its factorization.

200012340809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 200012340809 in words is "two hundred billion, twelve million, three hundred forty thousand, eight hundred nine".