1200222330017 has 2 divisors, whose sum is σ = 1200222330018. Its totient is φ = 1200222330016.

The previous prime is 1200222330011. The next prime is 1200222330079. The reversal of 1200222330017 is 7100332220021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1115049409681 + 85172920336 = 1055959^2 + 291844^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200222330017 - 2⁶ = 1200222329953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200222329974 and 1200222330001.

It is not a weakly prime, because it can be changed into another prime (1200222330011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600111165008 + 600111165009.

It is an arithmetic number, because the mean of its divisors is an integer number (600111165009).

Almost surely, 2^{1200222330017} is an apocalyptic number.

It is an amenable number.

1200222330017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200222330017 is an equidigital number, since it uses as much as digits as its factorization.

1200222330017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 1200222330017 its reverse (7100332220021), we get a palindrome (8300554550038).

The spelling of 1200222330017 in words is "one trillion, two hundred billion, two hundred twenty-two million, three hundred thirty thousand, seventeen".