200001210002122 has 8 divisors (see below), whose sum is σ = 302754125232900. Its totient is φ = 99083168257824.

The previous prime is 200001210002071. The next prime is 200001210002177. The reversal of 200001210002122 is 221200012100002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 199772811078201 + 228398923921 = 14134101^2 + 477911^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458718371347 + ... + 458718371782.

Almost surely, 2^{200001210002122} is an apocalyptic number.

200001210002122 is a deficient number, since it is larger than the sum of its proper divisors (102752915230778).

200001210002122 is a wasteful number, since it uses less digits than its factorization.

200001210002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917436743240.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200001210002122 its reverse (221200012100002), we get a palindrome (421201222102124).

The spelling of 200001210002122 in words is "two hundred trillion, one billion, two hundred ten million, two thousand, one hundred twenty-two".