100001212200017 has 2 divisors, whose sum is σ = 100001212200018. Its totient is φ = 100001212200016.

The previous prime is 100001212199989. The next prime is 100001212200031. The reversal of 100001212200017 is 710002212100001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51814068843601 + 48187143356416 = 7198199^2 + 6941696^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001212200017 - 2¹⁴ = 100001212183633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100001212199968 and 100001212200004.

It is not a weakly prime, because it can be changed into another prime (100001212200517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000606100008 + 50000606100009.

It is an arithmetic number, because the mean of its divisors is an integer number (50000606100009).

Almost surely, 2^{100001212200017} is an apocalyptic number.

It is an amenable number.

100001212200017 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001212200017 is an equidigital number, since it uses as much as digits as its factorization.

100001212200017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 100001212200017 its reverse (710002212100001), we get a palindrome (810003424300018).

The spelling of 100001212200017 in words is "one hundred trillion, one billion, two hundred twelve million, two hundred thousand, seventeen".