1201333331017 has 2 divisors, whose sum is σ = 1201333331018. Its totient is φ = 1201333331016.

The previous prime is 1201333330871. The next prime is 1201333331021. The reversal of 1201333331017 is 7101333331021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182534453136 + 18798877881 = 1087444^2 + 137109^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201333331017 - 2¹¹ = 1201333328969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201333334017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600666665508 + 600666665509.

It is an arithmetic number, because the mean of its divisors is an integer number (600666665509).

Almost surely, 2^{1201333331017} is an apocalyptic number.

It is an amenable number.

1201333331017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201333331017 is an equidigital number, since it uses as much as digits as its factorization.

1201333331017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

Adding to 1201333331017 its reverse (7101333331021), we get a palindrome (8302666662038).

The spelling of 1201333331017 in words is "one trillion, two hundred one billion, three hundred thirty-three million, three hundred thirty-one thousand, seventeen".