201212021102017 has 2 divisors, whose sum is σ = 201212021102018. Its totient is φ = 201212021102016.

The previous prime is 201212021101867. The next prime is 201212021102153. The reversal of 201212021102017 is 710201120212102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177571508755216 + 23640512346801 = 13325596^2 + 4862151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201212021102017 is a prime.

It is not a weakly prime, because it can be changed into another prime (201212027102017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606010551008 + 100606010551009.

It is an arithmetic number, because the mean of its divisors is an integer number (100606010551009).

Almost surely, 2^{201212021102017} is an apocalyptic number.

It is an amenable number.

201212021102017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201212021102017 is an equidigital number, since it uses as much as digits as its factorization.

201212021102017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 201212021102017 its reverse (710201120212102), we get a palindrome (911413141314119).

The spelling of 201212021102017 in words is "two hundred one trillion, two hundred twelve billion, twenty-one million, one hundred two thousand, seventeen".