102212012017 has 2 divisors, whose sum is σ = 102212012018. Its totient is φ = 102212012016.

The previous prime is 102212012009. The next prime is 102212012047. The reversal of 102212012017 is 710210212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96942558736 + 5269453281 = 311356^2 + 72591^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212012017 - 2³ = 102212012009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102212011985 and 102212012003.

It is not a weakly prime, because it can be changed into another prime (102212012047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106006008 + 51106006009.

It is an arithmetic number, because the mean of its divisors is an integer number (51106006009).

Almost surely, 2^102212012017 is an apocalyptic number.

It is an amenable number.

102212012017 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212012017 is an equidigital number, since it uses as much as digits as its factorization.

102212012017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 102212012017 its reverse (710210212201), we get a palindrome (812422224218).

The spelling of 102212012017 in words is "one hundred two billion, two hundred twelve million, twelve thousand, seventeen".