201212000201 has 4 divisors (see below), whose sum is σ = 206119610004. Its totient is φ = 196304390400.

The previous prime is 201212000191. The next prime is 201212000203. The reversal of 201212000201 is 102000212102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102000212102 = 2 ⋅51000106051.

It can be written as a sum of positive squares in 2 ways, for example, as 96533868601 + 104678131600 = 310699^2 + 323540^2 .

It is a cyclic number.

It is not a de Polignac number, because 201212000201 - 2³⁰ = 200138258377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212000203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453804840 + ... + 2453804921.

It is an arithmetic number, because the mean of its divisors is an integer number (51529902501).

Almost surely, 2^201212000201 is an apocalyptic number.

It is an amenable number.

201212000201 is a deficient number, since it is larger than the sum of its proper divisors (4907609803).

201212000201 is an equidigital number, since it uses as much as digits as its factorization.

201212000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907609802.

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

Adding to 201212000201 its reverse (102000212102), we get a palindrome (303212212303).

The spelling of 201212000201 in words is "two hundred one billion, two hundred twelve million, two hundred one", and thus it is an aban number.