312300233220 has 192 divisors, whose sum is σ = 927776505600. Its totient is φ = 78271764480.

The previous prime is 312300233209. The next prime is 312300233221. The reversal of 312300233220 is 22332003213.

It is not an unprimeable number, because it can be changed into a prime (312300233221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182737726 + ... + 182739434.

It is an arithmetic number, because the mean of its divisors is an integer number (4832169300).

Almost surely, 2^312300233220 is an apocalyptic number.

312300233220 is a gapful number since it is divisible by the number (30) 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 312300233220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463888252800).

312300233220 is an abundant number, since it is smaller than the sum of its proper divisors (615476272380).

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

312300233220 is a wasteful number, since it uses less digits than its factorization.

312300233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 312300233220 its reverse (22332003213), we get a palindrome (334632236433).

The spelling of 312300233220 in words is "three hundred twelve billion, three hundred million, two hundred thirty-three thousand, two hundred twenty".