300000312120 has 64 divisors (see below), whose sum is σ = 908911873440. Its totient is φ = 79208000000.

The previous prime is 300000312023. The next prime is 300000312137. The reversal of 300000312120 is 21213000003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 300000312096 and 300000312105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12364131 + ... + 12388370.

Almost surely, 2^300000312120 is an apocalyptic number.

300000312120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300000312120 is an abundant number, since it is smaller than the sum of its proper divisors (608911561320).

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

300000312120 is a wasteful number, since it uses less digits than its factorization.

300000312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24752616 (or 24752612 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 300000312120 its reverse (21213000003), we get a palindrome (321213312123).

It can be divided in two parts, 300000 and 312120, that multiplied together give a square (93636000000 = 306000²).

The spelling of 300000312120 in words is "three hundred billion, three hundred twelve thousand, one hundred twenty".