12312223300 has 72 divisors (see below), whose sum is σ = 29315764296. Its totient is φ = 4460252160.

The previous prime is 12312223271. The next prime is 12312223303. The reversal of 12312223300 is 332221321.

It can be written as a sum of positive squares in 12 ways, for example, as 1492895044 + 10819328256 = 38638^2 + 104016^2 .

It is not an unprimeable number, because it can be changed into a prime (12312223303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20449 + ... + 158248.

It is an arithmetic number, because the mean of its divisors is an integer number (407163393).

Almost surely, 2^12312223300 is an apocalyptic number.

12312223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312223300 is an abundant number, since it is smaller than the sum of its proper divisors (17003540996).

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

12312223300 is a wasteful number, since it uses less digits than its factorization.

12312223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178777 (or 178770 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12312223300 its reverse (332221321), we get a palindrome (12644444621).

The spelling of 12312223300 in words is "twelve billion, three hundred twelve million, two hundred twenty-three thousand, three hundred".