12012012123330 has 96 divisors (see below), whose sum is σ = 29489036046912. Its totient is φ = 3131357564160.

The previous prime is 12012012123301. The next prime is 12012012123337. The reversal of 12012012123330 is 3332121021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012012123297 and 12012012123306.

It is not an unprimeable number, because it can be changed into a prime (12012012123337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17865612 + ... + 18525768.

It is an arithmetic number, because the mean of its divisors is an integer number (307177458822).

Almost surely, 2^{12012012123330} is an apocalyptic number.

12012012123330 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 12012012123330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14744518023456).

12012012123330 is an abundant number, since it is smaller than the sum of its proper divisors (17477023923582).

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

12012012123330 is a wasteful number, since it uses less digits than its factorization.

12012012123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660452 (or 660391 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12012012123330 its reverse (3332121021021), we get a palindrome (15344133144351).

The spelling of 12012012123330 in words is "twelve trillion, twelve billion, twelve million, one hundred twenty-three thousand, three hundred thirty".