212020230017 has 2 divisors, whose sum is σ = 212020230018. Its totient is φ = 212020230016.

The previous prime is 212020230007. The next prime is 212020230073. The reversal of 212020230017 is 710032020212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162147960976 + 49872269041 = 402676^2 + 223321^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020230017 - 2⁴ = 212020230001 is a prime.

It is not a weakly prime, because it can be changed into another prime (212020230007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010115008 + 106010115009.

It is an arithmetic number, because the mean of its divisors is an integer number (106010115009).

Almost surely, 2^212020230017 is an apocalyptic number.

It is an amenable number.

212020230017 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020230017 is an equidigital number, since it uses as much as digits as its factorization.

212020230017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 212020230017 its reverse (710032020212), we get a palindrome (922052250229).

The spelling of 212020230017 in words is "two hundred twelve billion, twenty million, two hundred thirty thousand, seventeen".