200001201210989 has 2 divisors, whose sum is σ = 200001201210990. Its totient is φ = 200001201210988.

The previous prime is 200001201210983. The next prime is 200001201211051. The reversal of 200001201210989 is 989012102100002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155576776733764 + 44424424477225 = 12473042^2 + 6665165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200001201210989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200001201210983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000600605494 + 100000600605495.

It is an arithmetic number, because the mean of its divisors is an integer number (100000600605495).

Almost surely, 2^{200001201210989} is an apocalyptic number.

It is an amenable number.

200001201210989 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001201210989 is an equidigital number, since it uses as much as digits as its factorization.

200001201210989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 200001201210989 in words is "two hundred trillion, one billion, two hundred one million, two hundred ten thousand, nine hundred eighty-nine".