12120144030 has 48 divisors (see below), whose sum is σ = 32046496560. Its totient is φ = 3177256704.

The previous prime is 12120144017. The next prime is 12120144031. The reversal of 12120144030 is 3044102121.

12120144030 is a `hidden beast` number, since 1 + 21 + 201 + 440 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12120143994 and 12120144012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120144031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1135947 + ... + 1146566.

It is an arithmetic number, because the mean of its divisors is an integer number (667635345).

Almost surely, 2^12120144030 is an apocalyptic number.

12120144030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120144030 is an abundant number, since it is smaller than the sum of its proper divisors (19926352530).

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

12120144030 is a wasteful number, since it uses less digits than its factorization.

12120144030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282585 (or 2282582 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12120144030 its reverse (3044102121), we get a palindrome (15164246151).

The spelling of 12120144030 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, thirty".