300021120030 has 32 divisors (see below), whose sum is σ = 720535025664. Its totient is φ = 79951816736.

The previous prime is 300021119977. The next prime is 300021120041. The reversal of 300021120030 is 30021120003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 300021119988 and 300021120015.

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, 3318102 + ... + 3407321.

It is an arithmetic number, because the mean of its divisors is an integer number (22516719552).

Almost surely, 2^300021120030 is an apocalyptic number.

300021120030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

300021120030 is an abundant number, since it is smaller than the sum of its proper divisors (420513905634).

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

300021120030 is a wasteful number, since it uses less digits than its factorization.

300021120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726920.

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

Adding to 300021120030 its reverse (30021120003), we get a palindrome (330042240033).

The spelling of 300021120030 in words is "three hundred billion, twenty-one million, one hundred twenty thousand, thirty".