312545012 has 12 divisors (see below), whose sum is σ = 589027236. Its totient is φ = 144251520.

The previous prime is 312544993. The next prime is 312545021. The reversal of 312545012 is 210545213.

312545012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 76492516 + 236052496 = 8746^2 + 15364^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005189 + ... + 3005292.

It is an arithmetic number, because the mean of its divisors is an integer number (49085603).

Almost surely, 2^312545012 is an apocalyptic number.

It is an amenable number.

312545012 is a deficient number, since it is larger than the sum of its proper divisors (276482224).

312545012 is a wasteful number, since it uses less digits than its factorization.

312545012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010498 (or 6010496 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 312545012 is about 17678.9426154394. The cubic root of 312545012 is about 678.6369842820.

The spelling of 312545012 in words is "three hundred twelve million, five hundred forty-five thousand, twelve".