30120112000 has 256 divisors, whose sum is σ = 83261131200. Its totient is φ = 10742784000.

The previous prime is 30120111907. The next prime is 30120112021. The reversal of 30120112000 is 21102103.

It is a super-2 number, since 2×30120112000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9326386 + ... + 9329614.

Almost surely, 2^30120112000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30120112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41630565600).

30120112000 is an abundant number, since it is smaller than the sum of its proper divisors (53141019200).

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

30120112000 is a wasteful number, since it uses less digits than its factorization.

30120112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 30120112000 its reverse (21102103), we get a palindrome (30141214103).

The spelling of 30120112000 in words is "thirty billion, one hundred twenty million, one hundred twelve thousand".