12021303300 has 72 divisors (see below), whose sum is σ = 35981030400. Its totient is φ = 3095137920.

The previous prime is 12021303269. The next prime is 12021303319. The reversal of 12021303300 is 330312021.

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 12021303300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682180 + ... + 699579.

Almost surely, 2^12021303300 is an apocalyptic number.

12021303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021303300 is an abundant number, since it is smaller than the sum of its proper divisors (23959727100).

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

12021303300 is a wasteful number, since it uses less digits than its factorization.

12021303300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381805 (or 1381798 counting only the distinct ones).

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

Adding to 12021303300 its reverse (330312021), we get a palindrome (12351615321).

The spelling of 12021303300 in words is "twelve billion, twenty-one million, three hundred three thousand, three hundred".