312326012 has 24 divisors (see below), whose sum is σ = 554326416. Its totient is φ = 153955328.

The previous prime is 312325997. The next prime is 312326041. The reversal of 312326012 is 210623213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256028 + ... + 257244.

It is an arithmetic number, because the mean of its divisors is an integer number (23096934).

Almost surely, 2^312326012 is an apocalyptic number.

It is an amenable number.

312326012 is a deficient number, since it is larger than the sum of its proper divisors (242000404).

312326012 is a wasteful number, since it uses less digits than its factorization.

312326012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 312326012 is about 17672.7477207139. The cubic root of 312326012 is about 678.4784404773.

Adding to 312326012 its reverse (210623213), we get a palindrome (522949225).

The spelling of 312326012 in words is "three hundred twelve million, three hundred twenty-six thousand, twelve".