20002012110217 has 2 divisors, whose sum is σ = 20002012110218. Its totient is φ = 20002012110216.

The previous prime is 20002012110191. The next prime is 20002012110239. The reversal of 20002012110217 is 71201121020002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19640461243536 + 361550866681 = 4431756^2 + 601291^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002012110217 - 2⁷ = 20002012110089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002012110194 and 20002012110203.

It is not a weakly prime, because it can be changed into another prime (20002012110247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001006055108 + 10001006055109.

It is an arithmetic number, because the mean of its divisors is an integer number (10001006055109).

Almost surely, 2^{20002012110217} is an apocalyptic number.

It is an amenable number.

20002012110217 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002012110217 is an equidigital number, since it uses as much as digits as its factorization.

20002012110217 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 20002012110217 its reverse (71201121020002), we get a palindrome (91203133130219).

The spelling of 20002012110217 in words is "twenty trillion, two billion, twelve million, one hundred ten thousand, two hundred seventeen".