302012213 has 2 divisors, whose sum is σ = 302012214. Its totient is φ = 302012212.

The previous prime is 302012189. The next prime is 302012219. The reversal of 302012213 is 312210203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296597284 + 5414929 = 17222^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 302012213 - 2¹⁴ = 301995829 is a prime.

It is a super-2 number, since 2×302012213² = 182422753602314738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302012219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151006106 + 151006107.

It is an arithmetic number, because the mean of its divisors is an integer number (151006107).

Almost surely, 2^302012213 is an apocalyptic number.

It is an amenable number.

302012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

302012213 is an equidigital number, since it uses as much as digits as its factorization.

302012213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 302012213 is about 17378.4985830192. The cubic root of 302012213 is about 670.9263291401.

Adding to 302012213 its reverse (312210203), we get a palindrome (614222416).

The spelling of 302012213 in words is "three hundred two million, twelve thousand, two hundred thirteen".