300002121203121 has 12 divisors (see below), whose sum is σ = 435134473633860. Its totient is φ = 199171532747520.

The previous prime is 300002121203117. The next prime is 300002121203131. The reversal of 300002121203121 is 121302121200003.

300002121203121 is a `hidden beast` number, since 300 + 0 + 0 + 21 + 21 + 203 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 127595662430625 + 172406458772496 = 11295825^2 + 13130364^2 .

It is not a de Polignac number, because 300002121203121 - 2² = 300002121203117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300002121203094 and 300002121203103.

It is not an unprimeable number, because it can be changed into a prime (300002121203131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69156780036 + ... + 69156784373.

It is an arithmetic number, because the mean of its divisors is an integer number (36261206136155).

Almost surely, 2^{300002121203121} is an apocalyptic number.

It is an amenable number.

300002121203121 is a deficient number, since it is larger than the sum of its proper divisors (135132352430739).

300002121203121 is a wasteful number, since it uses less digits than its factorization.

300002121203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138313564656 (or 138313564653 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 300002121203121 its reverse (121302121200003), we get a palindrome (421304242403124).

The spelling of 300002121203121 in words is "three hundred trillion, two billion, one hundred twenty-one million, two hundred three thousand, one hundred twenty-one".