312578836252 has 6 divisors (see below), whose sum is σ = 547012963448. Its totient is φ = 156289418124.

The previous prime is 312578836247. The next prime is 312578836253. The reversal of 312578836252 is 252638875213.

It is a self number, because there is not a number n which added to its sum of digits gives 312578836252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312578836253) by changing a digit.

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 as a sum of consecutive naturals, namely, 39072354528 + ... + 39072354535.

Almost surely, 2^312578836252 is an apocalyptic number.

It is an amenable number.

312578836252 is a deficient number, since it is larger than the sum of its proper divisors (234434127196).

312578836252 is a wasteful number, since it uses less digits than its factorization.

312578836252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78144709067 (or 78144709065 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The spelling of 312578836252 in words is "three hundred twelve billion, five hundred seventy-eight million, eight hundred thirty-six thousand, two hundred fifty-two".