1012021093717 has 2 divisors, whose sum is σ = 1012021093718. Its totient is φ = 1012021093716.

The previous prime is 1012021093651. The next prime is 1012021093747. The reversal of 1012021093717 is 7173901202101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917507273956 + 94513819761 = 957866^2 + 307431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012021093717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012021093747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010546858 + 506010546859.

It is an arithmetic number, because the mean of its divisors is an integer number (506010546859).

Almost surely, 2^{1012021093717} is an apocalyptic number.

It is an amenable number.

1012021093717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012021093717 is an equidigital number, since it uses as much as digits as its factorization.

1012021093717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 34.

Adding to 1012021093717 its reverse (7173901202101), we get a palindrome (8185922295818).

The spelling of 1012021093717 in words is "one trillion, twelve billion, twenty-one million, ninety-three thousand, seven hundred seventeen".