300404240212021 has 4 divisors (see below), whose sum is σ = 327713716594944. Its totient is φ = 273094763829100.

The previous prime is 300404240211961. The next prime is 300404240212057. The reversal of 300404240212021 is 120212042404003.

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 300404240212021 - 2²⁵ = 300404206657589 is a prime.

It is a super-2 number, since 2×300404240212021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300404240212621) 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 in 3 ways as a sum of consecutive naturals, for example, 13654738191445 + ... + 13654738191466.

It is an arithmetic number, because the mean of its divisors is an integer number (81928429148736).

Almost surely, 2^{300404240212021} is an apocalyptic number.

It is an amenable number.

300404240212021 is a deficient number, since it is larger than the sum of its proper divisors (27309476382923).

300404240212021 is a wasteful number, since it uses less digits than its factorization.

300404240212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27309476382922.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 300404240212021 its reverse (120212042404003), we get a palindrome (420616282616024).

The spelling of 300404240212021 in words is "three hundred trillion, four hundred four billion, two hundred forty million, two hundred twelve thousand, twenty-one".