1200321100207 has 2 divisors, whose sum is σ = 1200321100208. Its totient is φ = 1200321100206.

The previous prime is 1200321100073. The next prime is 1200321100271. The reversal of 1200321100207 is 7020011230021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200321100207 - 2³¹ = 1198173616559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200321100507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600160550103 + 600160550104.

It is an arithmetic number, because the mean of its divisors is an integer number (600160550104).

Almost surely, 2^{1200321100207} is an apocalyptic number.

1200321100207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200321100207 is an equidigital number, since it uses as much as digits as its factorization.

1200321100207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 1200321100207 its reverse (7020011230021), we get a palindrome (8220332330228).

The spelling of 1200321100207 in words is "one trillion, two hundred billion, three hundred twenty-one million, one hundred thousand, two hundred seven".