1200200002003 has 2 divisors, whose sum is σ = 1200200002004. Its totient is φ = 1200200002002.

The previous prime is 1200200001991. The next prime is 1200200002039. The reversal of 1200200002003 is 3002000020021.

It is a weak prime.

It is an emirp because it is prime and its reverse (3002000020021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200200002003 - 2²⁹ = 1199663131091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200200002063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600100001001 + 600100001002.

It is an arithmetic number, because the mean of its divisors is an integer number (600100001002).

Almost surely, 2^{1200200002003} is an apocalyptic number.

1200200002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200200002003 is an equidigital number, since it uses as much as digits as its factorization.

1200200002003 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.

Adding to 1200200002003 its reverse (3002000020021), we get a palindrome (4202200022024).

The spelling of 1200200002003 in words is "one trillion, two hundred billion, two hundred million, two thousand, three".