12012030330 has 64 divisors (see below), whose sum is σ = 29366834688. Its totient is φ = 3143669760.

The previous prime is 12012030313. The next prime is 12012030341. The reversal of 12012030330 is 3303021021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840202 + ... + 854378.

It is an arithmetic number, because the mean of its divisors is an integer number (458856792).

Almost surely, 2^12012030330 is an apocalyptic number.

12012030330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012030330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14683417344).

12012030330 is an abundant number, since it is smaller than the sum of its proper divisors (17354804358).

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

12012030330 is a wasteful number, since it uses less digits than its factorization.

12012030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14711.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12012030330 its reverse (3303021021), we get a palindrome (15315051351).

The spelling of 12012030330 in words is "twelve billion, twelve million, thirty thousand, three hundred thirty".