212210011208 has 32 divisors (see below), whose sum is σ = 431628757560. Its totient is φ = 97228162560.

The previous prime is 212210011201. The next prime is 212210011219. The reversal of 212210011208 is 802110012212.

It can be written as a sum of positive squares in 4 ways, for example, as 173021057764 + 39188953444 = 415958^2 + 197962^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212210011208.

It is not an unprimeable number, because it can be changed into a prime (212210011201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7432763 + ... + 7461258.

Almost surely, 2^212210011208 is an apocalyptic number.

It is an amenable number.

212210011208 is an abundant number, since it is smaller than the sum of its proper divisors (219418746352).

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

212210011208 is a wasteful number, since it uses less digits than its factorization.

212210011208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14894177 (or 14894173 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 212210011208 in words is "two hundred twelve billion, two hundred ten million, eleven thousand, two hundred eight".