12312220300 has 36 divisors (see below), whose sum is σ = 27170370360. Its totient is φ = 4841413120.

The previous prime is 12312220289. The next prime is 12312220303. The reversal of 12312220300 is 302221321.

It is not an unprimeable number, because it can be changed into a prime (12312220303) 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, 1037509 + ... + 1049308.

It is an arithmetic number, because the mean of its divisors is an integer number (754732510).

Almost surely, 2^12312220300 is an apocalyptic number.

12312220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312220300 is an abundant number, since it is smaller than the sum of its proper divisors (14858150060).

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

12312220300 is a wasteful number, since it uses less digits than its factorization.

12312220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086890 (or 2086883 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12312220300 its reverse (302221321), we get a palindrome (12614441621).

The spelling of 12312220300 in words is "twelve billion, three hundred twelve million, two hundred twenty thousand, three hundred".