300012120 has 64 divisors (see below), whose sum is σ = 1000044000. Its totient is φ = 80002944.

The previous prime is 300012113. The next prime is 300012121. The reversal of 300012120 is 21210003.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137815 + ... + 139974.

Almost surely, 2^300012120 is an apocalyptic number.

300012120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300012120 is an abundant number, since it is smaller than the sum of its proper divisors (700031880).

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

300012120 is a wasteful number, since it uses less digits than its factorization.

300012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277809 (or 277799 counting only the distinct ones).

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

The square root of 300012120 is about 17320.8579464182. The cubic root of 300012120 is about 669.4419649912.

Adding to 300012120 its reverse (21210003), we get a palindrome (321222123).

The spelling of 300012120 in words is "three hundred million, twelve thousand, one hundred twenty".