12030112320 has 112 divisors (see below), whose sum is σ = 38390096448. Its totient is φ = 3191695360.

The previous prime is 12030112291. The next prime is 12030112357. The reversal of 12030112320 is 2321103021.

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 12030112320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157315 + ... + 220925.

Almost surely, 2^12030112320 is an apocalyptic number.

12030112320 is a gapful number since it is divisible by the number (10) 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 12030112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19195048224).

12030112320 is an abundant number, since it is smaller than the sum of its proper divisors (26359984128).

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

12030112320 is a wasteful number, since it uses less digits than its factorization.

12030112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63828 (or 63818 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12030112320 its reverse (2321103021), we get a palindrome (14351215341).

The spelling of 12030112320 in words is "twelve billion, thirty million, one hundred twelve thousand, three hundred twenty".