312332212 has 12 divisors (see below), whose sum is σ = 547128036. Its totient is φ = 156009920.

The previous prime is 312332201. The next prime is 312332213. The reversal of 312332212 is 212233213.

It can be written as a sum of positive squares in 2 ways, for example, as 56460196 + 255872016 = 7514^2 + 15996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312332212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312332213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34489 + ... + 42592.

It is an arithmetic number, because the mean of its divisors is an integer number (45594003).

Almost surely, 2^312332212 is an apocalyptic number.

It is an amenable number.

312332212 is a deficient number, since it is larger than the sum of its proper divisors (234795824).

312332212 is a wasteful number, since it uses less digits than its factorization.

312332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78098 (or 78096 counting only the distinct ones).

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

The square root of 312332212 is about 17672.9231311631. The cubic root of 312332212 is about 678.4829299513.

Adding to 312332212 its reverse (212233213), we get a palindrome (524565425).

The spelling of 312332212 in words is "three hundred twelve million, three hundred thirty-two thousand, two hundred twelve".