1200221012063 has 2 divisors, whose sum is σ = 1200221012064. Its totient is φ = 1200221012062.

The previous prime is 1200221012041. The next prime is 1200221012149. The reversal of 1200221012063 is 3602101220021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200221012063 - 2¹⁰ = 1200221011039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200221312063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600110506031 + 600110506032.

It is an arithmetic number, because the mean of its divisors is an integer number (600110506032).

Almost surely, 2^{1200221012063} is an apocalyptic number.

1200221012063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200221012063 is an equidigital number, since it uses as much as digits as its factorization.

1200221012063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1200221012063 its reverse (3602101220021), we get a palindrome (4802322232084).

The spelling of 1200221012063 in words is "one trillion, two hundred billion, two hundred twenty-one million, twelve thousand, sixty-three".