312127450845 has 32 divisors (see below), whose sum is σ = 604320715008. Its totient is φ = 134293490688.

The previous prime is 312127450841. The next prime is 312127450897. The reversal of 312127450845 is 548054721213.

It is not a de Polignac number, because 312127450845 - 2² = 312127450841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312127450797 and 312127450806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312127450841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87428874 + ... + 87432443.

It is an arithmetic number, because the mean of its divisors is an integer number (18885022344).

Almost surely, 2^312127450845 is an apocalyptic number.

312127450845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

312127450845 is a deficient number, since it is larger than the sum of its proper divisors (292193264163).

312127450845 is a wasteful number, since it uses less digits than its factorization.

312127450845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174861349.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 312127450845 in words is "three hundred twelve billion, one hundred twenty-seven million, four hundred fifty thousand, eight hundred forty-five".