12021223203330 has 128 divisors (see below), whose sum is σ = 33900733025280. Its totient is φ = 2696649096960.

The previous prime is 12021223203307. The next prime is 12021223203331. The reversal of 12021223203330 is 3330232212021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021223203330.

It is not an unprimeable number, because it can be changed into a prime (12021223203331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22024117 + ... + 22563336.

It is an arithmetic number, because the mean of its divisors is an integer number (264849476760).

Almost surely, 2^{12021223203330} is an apocalyptic number.

12021223203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021223203330 is an abundant number, since it is smaller than the sum of its proper divisors (21879509821950).

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

12021223203330 is a wasteful number, since it uses less digits than its factorization.

12021223203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44587536.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12021223203330 its reverse (3330232212021), we get a palindrome (15351455415351).

The spelling of 12021223203330 in words is "twelve trillion, twenty-one billion, two hundred twenty-three million, two hundred three thousand, three hundred thirty".