1030212217 has 2 divisors, whose sum is σ = 1030212218. Its totient is φ = 1030212216.

The previous prime is 1030212187. The next prime is 1030212229. The reversal of 1030212217 is 7122120301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640899856 + 389312361 = 25316^2 + 19731^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030212217 - 2⁷ = 1030212089 is a prime.

It is a super-2 number, since 2×1030212217² = 2122674424112110178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030212194 and 1030212203.

It is not a weakly prime, because it can be changed into another prime (1030212917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515106108 + 515106109.

It is an arithmetic number, because the mean of its divisors is an integer number (515106109).

Almost surely, 2^1030212217 is an apocalyptic number.

It is an amenable number.

1030212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030212217 is an equidigital number, since it uses as much as digits as its factorization.

1030212217 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1030212217 is about 32096.9191200651. The cubic root of 1030212217 is about 1009.9709879586.

Adding to 1030212217 its reverse (7122120301), we get a palindrome (8152332518).

The spelling of 1030212217 in words is "one billion, thirty million, two hundred twelve thousand, two hundred seventeen".