212221030108 has 24 divisors (see below), whose sum is σ = 377715744000. Its totient is φ = 104302572528.

The previous prime is 212221030097. The next prime is 212221030163. The reversal of 212221030108 is 801030122212.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3068493 + ... + 3136891.

It is an arithmetic number, because the mean of its divisors is an integer number (15738156000).

Almost surely, 2^212221030108 is an apocalyptic number.

It is an amenable number.

212221030108 is a deficient number, since it is larger than the sum of its proper divisors (165494713892).

212221030108 is a wasteful number, since it uses less digits than its factorization.

212221030108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81609 (or 81607 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 212221030108 in words is "two hundred twelve billion, two hundred twenty-one million, thirty thousand, one hundred eight".