312206460143243 has 64 divisors (see below), whose sum is σ = 348993284935680. Its totient is φ = 277940063232000.

The previous prime is 312206460143219. The next prime is 312206460143273. The reversal of 312206460143243 is 342341064602213.

It is a cyclic number.

It is not a de Polignac number, because 312206460143243 - 2²⁰ = 312206459094667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312206460143243.

It is not an unprimeable number, because it can be changed into a prime (312206460143213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8814642788 + ... + 8814678206.

It is an arithmetic number, because the mean of its divisors is an integer number (5453020077120).

Almost surely, 2^{312206460143243} is an apocalyptic number.

312206460143243 is a deficient number, since it is larger than the sum of its proper divisors (36786824792437).

312206460143243 is a wasteful number, since it uses less digits than its factorization.

312206460143243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36708.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 312206460143243 in words is "three hundred twelve trillion, two hundred six billion, four hundred sixty million, one hundred forty-three thousand, two hundred forty-three".