312850012 has 6 divisors (see below), whose sum is σ = 547487528. Its totient is φ = 156425004.

The previous prime is 312850007. The next prime is 312850019. The reversal of 312850012 is 210058213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312850019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39106248 + ... + 39106255.

Almost surely, 2^312850012 is an apocalyptic number.

It is an amenable number.

312850012 is a deficient number, since it is larger than the sum of its proper divisors (234637516).

312850012 is a wasteful number, since it uses less digits than its factorization.

312850012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78212507 (or 78212505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 312850012 is about 17687.5665935142. The cubic root of 312850012 is about 678.8576639490.

The spelling of 312850012 in words is "three hundred twelve million, eight hundred fifty thousand, twelve".