30112132120 has 64 divisors (see below), whose sum is σ = 77630529600. Its totient is φ = 10297582080.

The previous prime is 30112132117. The next prime is 30112132129. The reversal of 30112132120 is 2123121103.

It is a junction number, because it is equal to n+sod(n) for n = 30112132094 and 30112132103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112132129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29311 + ... + 247150.

It is an arithmetic number, because the mean of its divisors is an integer number (1212977025).

Almost surely, 2^30112132120 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 30112132120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38815264800).

30112132120 is an abundant number, since it is smaller than the sum of its proper divisors (47518397480).

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

30112132120 is a wasteful number, since it uses less digits than its factorization.

30112132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276868 (or 276864 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30112132120 its reverse (2123121103), we get a palindrome (32235253223).

The spelling of 30112132120 in words is "thirty billion, one hundred twelve million, one hundred thirty-two thousand, one hundred twenty".