1200200203 has 2 divisors, whose sum is σ = 1200200204. Its totient is φ = 1200200202.

The previous prime is 1200200173. The next prime is 1200200207. The reversal of 1200200203 is 3020020021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3020020021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200200203 - 2⁵ = 1200200171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200200203.

It is not a weakly prime, because it can be changed into another prime (1200200207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600100101 + 600100102.

It is an arithmetic number, because the mean of its divisors is an integer number (600100102).

Almost surely, 2^1200200203 is an apocalyptic number.

1200200203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200200203 is an equidigital number, since it uses as much as digits as its factorization.

1200200203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1200200203 is about 34643.9057122606. The cubic root of 1200200203 is about 1062.7176624058.

Adding to 1200200203 its reverse (3020020021), we get a palindrome (4220220224).

The spelling of 1200200203 in words is "one billion, two hundred million, two hundred thousand, two hundred three".