1200223111247 has 2 divisors, whose sum is σ = 1200223111248. Its totient is φ = 1200223111246.

The previous prime is 1200223111231. The next prime is 1200223111349. The reversal of 1200223111247 is 7421113220021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200223111247 - 2⁴ = 1200223111231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200223111207) 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, 600111555623 + 600111555624.

It is an arithmetic number, because the mean of its divisors is an integer number (600111555624).

Almost surely, 2^{1200223111247} is an apocalyptic number.

1200223111247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200223111247 is an equidigital number, since it uses as much as digits as its factorization.

1200223111247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 1200223111247 its reverse (7421113220021), we get a palindrome (8621336331268).

The spelling of 1200223111247 in words is "one trillion, two hundred billion, two hundred twenty-three million, one hundred eleven thousand, two hundred forty-seven".