300424120021 has 2 divisors, whose sum is σ = 300424120022. Its totient is φ = 300424120020.

The previous prime is 300424119967. The next prime is 300424120027. The reversal of 300424120021 is 120021424003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181719753796 + 118704366225 = 426286^2 + 344535^2 .

It is a cyclic number.

It is not a de Polignac number, because 300424120021 - 2¹³ = 300424111829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300424120027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150212060010 + 150212060011.

It is an arithmetic number, because the mean of its divisors is an integer number (150212060011).

Almost surely, 2^300424120021 is an apocalyptic number.

It is an amenable number.

300424120021 is a deficient number, since it is larger than the sum of its proper divisors (1).

300424120021 is an equidigital number, since it uses as much as digits as its factorization.

300424120021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 300424120021 its reverse (120021424003), we get a palindrome (420445544024).

The spelling of 300424120021 in words is "three hundred billion, four hundred twenty-four million, one hundred twenty thousand, twenty-one".