304212221219 has 2 divisors, whose sum is σ = 304212221220. Its totient is φ = 304212221218.

The previous prime is 304212221207. The next prime is 304212221227. The reversal of 304212221219 is 912122212403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304212221219 - 2¹² = 304212217123 is a prime.

It is a super-3 number, since 3×304212221219³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 304212221191 and 304212221200.

It is not a weakly prime, because it can be changed into another prime (304212221239) 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, 152106110609 + 152106110610.

It is an arithmetic number, because the mean of its divisors is an integer number (152106110610).

Almost surely, 2^304212221219 is an apocalyptic number.

304212221219 is a deficient number, since it is larger than the sum of its proper divisors (1).

304212221219 is an equidigital number, since it uses as much as digits as its factorization.

304212221219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 304212221219 in words is "three hundred four billion, two hundred twelve million, two hundred twenty-one thousand, two hundred nineteen".