300020012001 has 12 divisors (see below), whose sum is σ = 445074733012. Its totient is φ = 194607575136.

The previous prime is 300020011997. The next prime is 300020012003. The reversal of 300020012001 is 100210020003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 268141694976 + 31878317025 = 517824^2 + 178545^2 .

It is not a de Polignac number, because 300020012001 - 2² = 300020011997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300020012003) 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 11 ways as a sum of consecutive naturals, for example, 450480166 + ... + 450480831.

Almost surely, 2^300020012001 is an apocalyptic number.

It is an amenable number.

300020012001 is a deficient number, since it is larger than the sum of its proper divisors (145054721011).

300020012001 is a wasteful number, since it uses less digits than its factorization.

300020012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900961040 (or 900961037 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 300020012001 its reverse (100210020003), we get a palindrome (400230032004).

The spelling of 300020012001 in words is "three hundred billion, twenty million, twelve thousand, one".