102012330111217 has 2 divisors, whose sum is σ = 102012330111218. Its totient is φ = 102012330111216.

The previous prime is 102012330111179. The next prime is 102012330111227. The reversal of 102012330111217 is 712111033210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74891992928256 + 27120337182961 = 8654016^2 + 5207719^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012330111217 - 2¹¹ = 102012330109169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102012330111191 and 102012330111200.

It is not a weakly prime, because it can be changed into another prime (102012330111227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006165055608 + 51006165055609.

It is an arithmetic number, because the mean of its divisors is an integer number (51006165055609).

Almost surely, 2^{102012330111217} is an apocalyptic number.

It is an amenable number.

102012330111217 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012330111217 is an equidigital number, since it uses as much as digits as its factorization.

102012330111217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 102012330111217 its reverse (712111033210201), we get a palindrome (814123363321418).

The spelling of 102012330111217 in words is "one hundred two trillion, twelve billion, three hundred thirty million, one hundred eleven thousand, two hundred seventeen".