30312120300 has 432 divisors, whose sum is σ = 117854206848. Its totient is φ = 5927577600.

The previous prime is 30312120271. The next prime is 30312120313. The reversal of 30312120300 is 302121303.

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 30312120300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2743387 + ... + 2754413.

It is an arithmetic number, because the mean of its divisors is an integer number (272810664).

Almost surely, 2^30312120300 is an apocalyptic number.

30312120300 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 30312120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58927103424).

30312120300 is an abundant number, since it is smaller than the sum of its proper divisors (87542086548).

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

30312120300 is a wasteful number, since it uses less digits than its factorization.

30312120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11086 (or 11072 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30312120300 its reverse (302121303), we get a palindrome (30614241603).

The spelling of 30312120300 in words is "thirty billion, three hundred twelve million, one hundred twenty thousand, three hundred".