212085066 has 8 divisors (see below), whose sum is σ = 424170144. Its totient is φ = 70695020.

The previous prime is 212085037. The next prime is 212085079. The reversal of 212085066 is 660580212.

It is a sphenic number, since it is the product of 3 distinct primes.

212085066 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17673750 + ... + 17673761.

It is an arithmetic number, because the mean of its divisors is an integer number (53021268).

Almost surely, 2^212085066 is an apocalyptic number.

212085066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212085066 is a wasteful number, since it uses less digits than its factorization.

212085066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35347516.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 212085066 is about 14563.1406640189. The cubic root of 212085066 is about 596.3529375872.

The spelling of 212085066 in words is "two hundred twelve million, eighty-five thousand, sixty-six".