1200001003207 has 2 divisors, whose sum is σ = 1200001003208. Its totient is φ = 1200001003206.

The previous prime is 1200001003193. The next prime is 1200001003217. The reversal of 1200001003207 is 7023001000021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200001003207 - 2²⁷ = 1199866785479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200001003217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600000501603 + 600000501604.

It is an arithmetic number, because the mean of its divisors is an integer number (600000501604).

Almost surely, 2^{1200001003207} is an apocalyptic number.

1200001003207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200001003207 is an equidigital number, since it uses as much as digits as its factorization.

1200001003207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 1200001003207 its reverse (7023001000021), we get a palindrome (8223002003228).

The spelling of 1200001003207 in words is "one trillion, two hundred billion, one million, three thousand, two hundred seven".