30112445220 has 192 divisors, whose sum is σ = 102471747840. Its totient is φ = 6506035200.

The previous prime is 30112445213. The next prime is 30112445263. The reversal of 30112445220 is 2254421103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188310 + ... + 309330.

It is an arithmetic number, because the mean of its divisors is an integer number (533707020).

Almost surely, 2^30112445220 is an apocalyptic number.

30112445220 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 30112445220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51235873920).

30112445220 is an abundant number, since it is smaller than the sum of its proper divisors (72359302620).

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

30112445220 is a wasteful number, since it uses less digits than its factorization.

30112445220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121086 (or 121084 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 30112445220 its reverse (2254421103), we get a palindrome (32366866323).

The spelling of 30112445220 in words is "thirty billion, one hundred twelve million, four hundred forty-five thousand, two hundred twenty".