312812843785 has 16 divisors (see below), whose sum is σ = 404315150400. Its totient is φ = 230963279040.

The previous prime is 312812843743. The next prime is 312812843797. The reversal of 312812843785 is 587348218213.

It is a happy number.

It is not a de Polignac number, because 312812843785 - 2¹³ = 312812835593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27430 + ... + 791440.

It is an arithmetic number, because the mean of its divisors is an integer number (25269696900).

Almost surely, 2^312812843785 is an apocalyptic number.

It is an amenable number.

312812843785 is a deficient number, since it is larger than the sum of its proper divisors (91502306615).

312812843785 is a wasteful number, since it uses less digits than its factorization.

312812843785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770328.

The product of its digits is 2580480, while the sum is 52.

The spelling of 312812843785 in words is "three hundred twelve billion, eight hundred twelve million, eight hundred forty-three thousand, seven hundred eighty-five".