12021485300 has 72 divisors (see below), whose sum is σ = 28818572160. Its totient is φ = 4316083200.

The previous prime is 12021485299. The next prime is 12021485309. The reversal of 12021485300 is 358412021.

12021485300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12021485300³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12021485300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021485309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17732 + ... + 156068.

Almost surely, 2^12021485300 is an apocalyptic number.

12021485300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021485300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14409286080).

12021485300 is an abundant number, since it is smaller than the sum of its proper divisors (16797086860).

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

12021485300 is a wasteful number, since it uses less digits than its factorization.

12021485300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138441 (or 138434 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 12021485300 its reverse (358412021), we get a palindrome (12379897321).

The spelling of 12021485300 in words is "twelve billion, twenty-one million, four hundred eighty-five thousand, three hundred".