1200330312073 has 2 divisors, whose sum is σ = 1200330312074. Its totient is φ = 1200330312072.

The previous prime is 1200330312059. The next prime is 1200330312091. The reversal of 1200330312073 is 3702130330021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1066339173769 + 133991138304 = 1032637^2 + 366048^2 .

It is an emirp because it is prime and its reverse (3702130330021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200330312073 - 2³⁷ = 1062891358601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200330312773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600165156036 + 600165156037.

It is an arithmetic number, because the mean of its divisors is an integer number (600165156037).

Almost surely, 2^{1200330312073} is an apocalyptic number.

It is an amenable number.

1200330312073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200330312073 is an equidigital number, since it uses as much as digits as its factorization.

1200330312073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 25.

Adding to 1200330312073 its reverse (3702130330021), we get a palindrome (4902460642094).

The spelling of 1200330312073 in words is "one trillion, two hundred billion, three hundred thirty million, three hundred twelve thousand, seventy-three".