312229845279 has 48 divisors (see below), whose sum is σ = 535019191200. Its totient is φ = 173285498880.

The previous prime is 312229845227. The next prime is 312229845293. The reversal of 312229845279 is 972548922213.

312229845279 is a `hidden beast` number, since 3 + 1 + 2 + 22 + 98 + 4 + 527 + 9 = 666.

It is not a de Polignac number, because 312229845279 - 2¹¹ = 312229843231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312229845979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2444754 + ... + 2569295.

It is an arithmetic number, because the mean of its divisors is an integer number (11146233150).

Almost surely, 2^312229845279 is an apocalyptic number.

312229845279 is a deficient number, since it is larger than the sum of its proper divisors (222789345921).

312229845279 is a wasteful number, since it uses less digits than its factorization.

312229845279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014120 (or 5014117 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 312229845279 in words is "three hundred twelve billion, two hundred twenty-nine million, eight hundred forty-five thousand, two hundred seventy-nine".