1200200111203 has 2 divisors, whose sum is σ = 1200200111204. Its totient is φ = 1200200111202.

The previous prime is 1200200111111. The next prime is 1200200111239. The reversal of 1200200111203 is 3021110020021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200200111203 is a prime.

It is a super-2 number, since 2×1200200111203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200200111263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600100055601 + 600100055602.

It is an arithmetic number, because the mean of its divisors is an integer number (600100055602).

Almost surely, 2^{1200200111203} is an apocalyptic number.

1200200111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200200111203 is an equidigital number, since it uses as much as digits as its factorization.

1200200111203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1200200111203 its reverse (3021110020021), we get a palindrome (4221310131224).

The spelling of 1200200111203 in words is "one trillion, two hundred billion, two hundred million, one hundred eleven thousand, two hundred three".