212102220208 has 20 divisors (see below), whose sum is σ = 410956875648. Its totient is φ = 106048832960.

The previous prime is 212102220163. The next prime is 212102220223. The reversal of 212102220208 is 802022201212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825585 + ... + 1051567.

Almost surely, 2^212102220208 is an apocalyptic number.

It is an amenable number.

212102220208 is a deficient number, since it is larger than the sum of its proper divisors (198854655440).

212102220208 is a wasteful number, since it uses less digits than its factorization.

212102220208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284652 (or 284646 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 212102220208 in words is "two hundred twelve billion, one hundred two million, two hundred twenty thousand, two hundred eight".