1200222203 has 2 divisors, whose sum is σ = 1200222204. Its totient is φ = 1200222202.

The previous prime is 1200222187. The next prime is 1200222209. The reversal of 1200222203 is 3022220021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3022220021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200222203 - 2⁴ = 1200222187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200222209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600111101 + 600111102.

It is an arithmetic number, because the mean of its divisors is an integer number (600111102).

Almost surely, 2^1200222203 is an apocalyptic number.

1200222203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200222203 is an equidigital number, since it uses as much as digits as its factorization.

1200222203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1200222203 is about 34644.2232269682. The cubic root of 1200222203 is about 1062.7241556685.

Adding to 1200222203 its reverse (3022220021), we get a palindrome (4222442224).

The spelling of 1200222203 in words is "one billion, two hundred million, two hundred twenty-two thousand, two hundred three".