210212001221017 has 2 divisors, whose sum is σ = 210212001221018. Its totient is φ = 210212001221016.

The previous prime is 210212001220961. The next prime is 210212001221039. The reversal of 210212001221017 is 710122100212012.

It is an a-pointer prime, because the next prime (210212001221039) can be obtained adding 210212001221017 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189938810585241 + 20273190635776 = 13781829^2 + 4502576^2 .

It is a cyclic number.

It is not a de Polignac number, because 210212001221017 - 2³¹ = 210209853737369 is a prime.

It is a super-4 number, since 4×210212001221017⁴ (a number of 58 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (210212001221087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106000610508 + 105106000610509.

It is an arithmetic number, because the mean of its divisors is an integer number (105106000610509).

Almost surely, 2^{210212001221017} is an apocalyptic number.

It is an amenable number.

210212001221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212001221017 is an equidigital number, since it uses as much as digits as its factorization.

210212001221017 is an odious number, because the sum of its binary digits is odd.

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

Adding to 210212001221017 its reverse (710122100212012), we get a palindrome (920334101433029).

The spelling of 210212001221017 in words is "two hundred ten trillion, two hundred twelve billion, one million, two hundred twenty-one thousand, seventeen".