312132223300 has 72 divisors (see below), whose sum is σ = 687637863360. Its totient is φ = 122953353600.

The previous prime is 312132223297. The next prime is 312132223301. The reversal of 312132223300 is 3322231213.

It is not an unprimeable number, because it can be changed into a prime (312132223301) 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, 44089161 + ... + 44096239.

It is an arithmetic number, because the mean of its divisors is an integer number (9550525880).

Almost surely, 2^312132223300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312132223300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343818931680).

312132223300 is an abundant number, since it is smaller than the sum of its proper divisors (375505640060).

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

312132223300 is a wasteful number, since it uses less digits than its factorization.

312132223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13741 (or 13734 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312132223300 its reverse (3322231213), we get a palindrome (315454454513).

The spelling of 312132223300 in words is "three hundred twelve billion, one hundred thirty-two million, two hundred twenty-three thousand, three hundred".