12011220300 has 36 divisors (see below), whose sum is σ = 34752464936. Its totient is φ = 3202992000.

The previous prime is 12011220271. The next prime is 12011220301. The reversal of 12011220300 is 302211021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12011220301) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20018401 + ... + 20019000.

Almost surely, 2^12011220300 is an apocalyptic number.

12011220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011220300 is an abundant number, since it is smaller than the sum of its proper divisors (22741244636).

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

12011220300 is a wasteful number, since it uses less digits than its factorization.

12011220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40037418 (or 40037411 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12011220300 its reverse (302211021), we get a palindrome (12313431321).

The spelling of 12011220300 in words is "twelve billion, eleven million, two hundred twenty thousand, three hundred".