312444412 has 48 divisors (see below), whose sum is σ = 656087040. Its totient is φ = 127368000.

The previous prime is 312444403. The next prime is 312444437. The reversal of 312444412 is 214444213.

It is a congruent number.

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, 48162 + ... + 54262.

It is an arithmetic number, because the mean of its divisors is an integer number (13668480).

Almost surely, 2^312444412 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 312444412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328043520).

312444412 is an abundant number, since it is smaller than the sum of its proper divisors (343642628).

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

312444412 is a wasteful number, since it uses less digits than its factorization.

312444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202 (or 6200 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 312444412 is about 17676.0971936681. The cubic root of 312444412 is about 678.5641646836.

Adding to 312444412 its reverse (214444213), we get a palindrome (526888625).

The spelling of 312444412 in words is "three hundred twelve million, four hundred forty-four thousand, four hundred twelve".