300002121320 has 64 divisors (see below), whose sum is σ = 737064023040. Its totient is φ = 108988691200.

The previous prime is 300002121311. The next prime is 300002121347. The reversal of 300002121320 is 23121200003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 300002121295 and 300002121304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145529 + ... + 788151.

It is an arithmetic number, because the mean of its divisors is an integer number (11516625360).

Almost surely, 2^300002121320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300002121320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368532011520).

300002121320 is an abundant number, since it is smaller than the sum of its proper divisors (437061901720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

300002121320 is a wasteful number, since it uses less digits than its factorization.

300002121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643706 (or 643702 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 300002121320 its reverse (23121200003), we get a palindrome (323123321323).

The spelling of 300002121320 in words is "three hundred billion, two million, one hundred twenty-one thousand, three hundred twenty".