212786835284 has 24 divisors (see below), whose sum is σ = 378816721920. Its totient is φ = 104569145856.

The previous prime is 212786835187. The next prime is 212786835341. The reversal of 212786835284 is 482538687212.

212786835284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1902989 + ... + 2011700.

It is an arithmetic number, because the mean of its divisors is an integer number (15784030080).

Almost surely, 2^212786835284 is an apocalyptic number.

It is an amenable number.

212786835284 is a deficient number, since it is larger than the sum of its proper divisors (166029886636).

212786835284 is a wasteful number, since it uses less digits than its factorization.

212786835284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914927 (or 3914925 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 56.

The spelling of 212786835284 in words is "two hundred twelve billion, seven hundred eighty-six million, eight hundred thirty-five thousand, two hundred eighty-four".