312127450846 has 4 divisors (see below), whose sum is σ = 468191176272. Its totient is φ = 156063725422.

The previous prime is 312127450841. The next prime is 312127450897. The reversal of 312127450846 is 648054721213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 648054721213 = 445321 ⋅1455253.

It is a super-2 number, since 2×312127450846² (a number of 24 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 78031862710 + ... + 78031862713.

It is an arithmetic number, because the mean of its divisors is an integer number (117047794068).

Almost surely, 2^312127450846 is an apocalyptic number.

312127450846 is a deficient number, since it is larger than the sum of its proper divisors (156063725426).

312127450846 is a wasteful number, since it uses less digits than its factorization.

312127450846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156063725425.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 312127450846 in words is "three hundred twelve billion, one hundred twenty-seven million, four hundred fifty thousand, eight hundred forty-six".