304011322212421 has 2 divisors, whose sum is σ = 304011322212422. Its totient is φ = 304011322212420.

The previous prime is 304011322212397. The next prime is 304011322212469. The reversal of 304011322212421 is 124212223110403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158515377103521 + 145495945108900 = 12590289^2 + 12062170^2 .

It is a cyclic number.

It is not a de Polignac number, because 304011322212421 - 2¹³ = 304011322204229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304011322212421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304011322218421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152005661106210 + 152005661106211.

It is an arithmetic number, because the mean of its divisors is an integer number (152005661106211).

Almost surely, 2^{304011322212421} is an apocalyptic number.

It is an amenable number.

304011322212421 is a deficient number, since it is larger than the sum of its proper divisors (1).

304011322212421 is an equidigital number, since it uses as much as digits as its factorization.

304011322212421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 304011322212421 its reverse (124212223110403), we get a palindrome (428223545322824).

The spelling of 304011322212421 in words is "three hundred four trillion, eleven billion, three hundred twenty-two million, two hundred twelve thousand, four hundred twenty-one".