200300001221 has 12 divisors (see below), whose sum is σ = 213951044580. Its totient is φ = 187476065280.

The previous prime is 200300001211. The next prime is 200300001247. The reversal of 200300001221 is 122100003002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1839552100 + 198460449121 = 42890^2 + 445489^2 .

It is not a de Polignac number, because 200300001221 - 2²² = 200295806917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200300001211) 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 11 ways as a sum of consecutive naturals, for example, 1862276 + ... + 1966893.

It is an arithmetic number, because the mean of its divisors is an integer number (17829253715).

Almost surely, 2^200300001221 is an apocalyptic number.

It is an amenable number.

200300001221 is a deficient number, since it is larger than the sum of its proper divisors (13651043359).

200300001221 is a wasteful number, since it uses less digits than its factorization.

200300001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829384 (or 3829367 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 200300001221 its reverse (122100003002), we get a palindrome (322400004223).

The spelling of 200300001221 in words is "two hundred billion, three hundred million, one thousand, two hundred twenty-one".