302424212021 has 2 divisors, whose sum is σ = 302424212022. Its totient is φ = 302424212020.

The previous prime is 302424211967. The next prime is 302424212023. The reversal of 302424212021 is 120212424203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299416896100 + 3007315921 = 547190^2 + 54839^2 .

It is a cyclic number.

It is not a de Polignac number, because 302424212021 - 2¹⁴ = 302424195637 is a prime.

It is a Sophie Germain prime.

Together with 302424212023, it forms a pair of twin primes.

It is a Chen 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 (302424212023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151212106010 + 151212106011.

It is an arithmetic number, because the mean of its divisors is an integer number (151212106011).

Almost surely, 2^302424212021 is an apocalyptic number.

It is an amenable number.

302424212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

302424212021 is an equidigital number, since it uses as much as digits as its factorization.

302424212021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 302424212021 its reverse (120212424203), we get a palindrome (422636636224).

The spelling of 302424212021 in words is "three hundred two billion, four hundred twenty-four million, two hundred twelve thousand, twenty-one".