212717844708 has 12 divisors (see below), whose sum is σ = 496341637680. Its totient is φ = 70905948232.

The previous prime is 212717844649. The next prime is 212717844721. The reversal of 212717844708 is 807448717212.

212717844708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 8863243518 + ... + 8863243541.

It is an arithmetic number, because the mean of its divisors is an integer number (41361803140).

Almost surely, 2^212717844708 is an apocalyptic number.

It is an amenable number.

212717844708 is an abundant number, since it is smaller than the sum of its proper divisors (283623792972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212717844708 is a wasteful number, since it uses less digits than its factorization.

212717844708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17726487066 (or 17726487064 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 51.

The spelling of 212717844708 in words is "two hundred twelve billion, seven hundred seventeen million, eight hundred forty-four thousand, seven hundred eight".