212213000017 has 2 divisors, whose sum is σ = 212213000018. Its totient is φ = 212213000016.

The previous prime is 212212999993. The next prime is 212213000023. The reversal of 212213000017 is 710000312212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161153270721 + 51059729296 = 401439^2 + 225964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212213000017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212212999958 and 212213000003.

It is not a weakly prime, because it can be changed into another prime (212213000047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106500008 + 106106500009.

It is an arithmetic number, because the mean of its divisors is an integer number (106106500009).

Almost surely, 2^212213000017 is an apocalyptic number.

It is an amenable number.

212213000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213000017 is an equidigital number, since it uses as much as digits as its factorization.

212213000017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 212213000017 its reverse (710000312212), we get a palindrome (922213312229).

The spelling of 212213000017 in words is "two hundred twelve billion, two hundred thirteen million, seventeen", and thus it is an aban number.