312112 has 10 divisors (see below), whose sum is σ = 604748. Its totient is φ = 156048.

The previous prime is 312107. The next prime is 312121. The reversal of 312112 is 211213.

312112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

312112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9738 + ... + 9769.

2³¹²¹¹² is an apocalyptic number.

It is an amenable number.

312112 is a deficient number, since it is larger than the sum of its proper divisors (292636).

312112 is a wasteful number, since it uses less digits than its factorization.

312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19515 (or 19509 counting only the distinct ones).

The product of its digits is 12, while the sum is 10.

The square root of 312112 is about 558.6698488374. The cubic root of 312112 is about 67.8323436091.

Adding to 312112 its reverse (211213), we get a palindrome (523325).

It can be divided in two parts, 31211 and 2, that added together give a palindrome (31213).

The spelling of 312112 in words is "three hundred twelve thousand, one hundred twelve", and thus it is an iban number.