30300222120 has 256 divisors, whose sum is σ = 109430784000. Its totient is φ = 6702071040.

The previous prime is 30300222109. The next prime is 30300222181. The reversal of 30300222120 is 2122200303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30300222120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1264087 + ... + 1287833.

It is an arithmetic number, because the mean of its divisors is an integer number (427464000).

Almost surely, 2^30300222120 is an apocalyptic number.

30300222120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30300222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54715392000).

30300222120 is an abundant number, since it is smaller than the sum of its proper divisors (79130561880).

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

30300222120 is a wasteful number, since it uses less digits than its factorization.

30300222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23813 (or 23795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30300222120 its reverse (2122200303), we get a palindrome (32422422423).

The spelling of 30300222120 in words is "thirty billion, three hundred million, two hundred twenty-two thousand, one hundred twenty".