300121030200073 has 2 divisors, whose sum is σ = 300121030200074. Its totient is φ = 300121030200072.

The previous prime is 300121030200029. The next prime is 300121030200077. The reversal of 300121030200073 is 370002030121003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275349784506889 + 24771245693184 = 16593667^2 + 4977072^2 .

It is a cyclic number.

It is not a de Polignac number, because 300121030200073 - 2³⁷ = 299983591246601 is a prime.

It is not a weakly prime, because it can be changed into another prime (300121030200077) 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, 150060515100036 + 150060515100037.

It is an arithmetic number, because the mean of its divisors is an integer number (150060515100037).

Almost surely, 2^{300121030200073} is an apocalyptic number.

It is an amenable number.

300121030200073 is a deficient number, since it is larger than the sum of its proper divisors (1).

300121030200073 is an equidigital number, since it uses as much as digits as its factorization.

300121030200073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 300121030200073 its reverse (370002030121003), we get a palindrome (670123060321076).

The spelling of 300121030200073 in words is "three hundred trillion, one hundred twenty-one billion, thirty million, two hundred thousand, seventy-three".