201200002012001 has 4 divisors (see below), whose sum is σ = 202242489069252. Its totient is φ = 200157514954752.

The previous prime is 201200002011997. The next prime is 201200002012003. The reversal of 201200002012001 is 100210200002102.

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 23686374928225 + 177513627083776 = 4866865^2 + 13323424^2 .

It is a cyclic number.

It is not a de Polignac number, because 201200002012001 - 2² = 201200002011997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201200002012003) 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, 521243528336 + ... + 521243528721.

It is an arithmetic number, because the mean of its divisors is an integer number (50560622267313).

Almost surely, 2^{201200002012001} is an apocalyptic number.

It is an amenable number.

201200002012001 is a deficient number, since it is larger than the sum of its proper divisors (1042487057251).

201200002012001 is a wasteful number, since it uses less digits than its factorization.

201200002012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042487057250.

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

Adding to 201200002012001 its reverse (100210200002102), we get a palindrome (301410202014103).

The spelling of 201200002012001 in words is "two hundred one trillion, two hundred billion, two million, twelve thousand, one".