304122412045021 has 4 divisors (see below), whose sum is σ = 305563750490944. Its totient is φ = 302681073599100.

The previous prime is 304122412044953. The next prime is 304122412045027. The reversal of 304122412045021 is 120540214221403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 304122412045021 - 2¹³ = 304122412036829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304122412045027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720669222645 + ... + 720669223066.

It is an arithmetic number, because the mean of its divisors is an integer number (76390937622736).

Almost surely, 2^{304122412045021} is an apocalyptic number.

It is an amenable number.

304122412045021 is a deficient number, since it is larger than the sum of its proper divisors (1441338445923).

304122412045021 is a wasteful number, since it uses less digits than its factorization.

304122412045021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441338445922.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 304122412045021 its reverse (120540214221403), we get a palindrome (424662626266424).

The spelling of 304122412045021 in words is "three hundred four trillion, one hundred twenty-two billion, four hundred twelve million, forty-five thousand, twenty-one".