312033213232 has 80 divisors (see below), whose sum is σ = 697673783520. Its totient is φ = 133910654976.

The previous prime is 312033213221. The next prime is 312033213253. The reversal of 312033213232 is 232312330213.

It is a junction number, because it is equal to n+sod(n) for n = 312033213197 and 312033213206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238107 + ... + 825082.

It is an arithmetic number, because the mean of its divisors is an integer number (8720922294).

Almost surely, 2^312033213232 is an apocalyptic number.

It is an amenable number.

312033213232 is an abundant number, since it is smaller than the sum of its proper divisors (385640570288).

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

312033213232 is a wasteful number, since it uses less digits than its factorization.

312033213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063310 (or 1063304 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 312033213232 its reverse (232312330213), we get a palindrome (544345543445).

The spelling of 312033213232 in words is "three hundred twelve billion, thirty-three million, two hundred thirteen thousand, two hundred thirty-two".