200020102012001 has 4 divisors (see below), whose sum is σ = 200044002140100. Its totient is φ = 199996201883904.

The previous prime is 200020102011991. The next prime is 200020102012021. The reversal of 200020102012001 is 100210201020002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48659344140625 + 151360757871376 = 6975625^2 + 12302876^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020102012001 - 2⁶ = 200020102011937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200020102012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11950051496 + ... + 11950068233.

It is an arithmetic number, because the mean of its divisors is an integer number (50011000535025).

Almost surely, 2^{200020102012001} is an apocalyptic number.

It is an amenable number.

200020102012001 is a deficient number, since it is larger than the sum of its proper divisors (23900128099).

200020102012001 is an equidigital number, since it uses as much as digits as its factorization.

200020102012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23900128098.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200020102012001 its reverse (100210201020002), we get a palindrome (300230303032003).

The spelling of 200020102012001 in words is "two hundred trillion, twenty billion, one hundred two million, twelve thousand, one".