1200200201 has 4 divisors (see below), whose sum is σ = 1200678804. Its totient is φ = 1199721600.

The previous prime is 1200200173. The next prime is 1200200203. The reversal of 1200200201 is 1020020021.

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 306250000 + 893950201 = 17500^2 + 29899^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200200201 - 2⁶ = 1200200137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200200203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235520 + ... + 240561.

It is an arithmetic number, because the mean of its divisors is an integer number (300169701).

Almost surely, 2^1200200201 is an apocalyptic number.

It is an amenable number.

1200200201 is a deficient number, since it is larger than the sum of its proper divisors (478603).

1200200201 is an equidigital number, since it uses as much as digits as its factorization.

1200200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478602.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1200200201 is about 34643.9056833955. The cubic root of 1200200201 is about 1062.7176618155.

Adding to 1200200201 its reverse (1020020021), we get a palindrome (2220220222).

It can be divided in two parts, 120020020 and 1, that added together give a palindrome (120020021).

The spelling of 1200200201 in words is "one billion, two hundred million, two hundred thousand, two hundred one".