212942208 has 64 divisors (see below), whose sum is σ = 567544320. Its totient is φ = 70740480.

The previous prime is 212942207. The next prime is 212942231. The reversal of 212942208 is 802249212.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212942207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140173 + ... + 141683.

It is an arithmetic number, because the mean of its divisors is an integer number (8867880).

Almost surely, 2^212942208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212942208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283772160).

212942208 is an abundant number, since it is smaller than the sum of its proper divisors (354602112).

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

212942208 is a wasteful number, since it uses less digits than its factorization.

212942208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 212942208 is about 14592.5394637123. The cubic root of 212942208 is about 597.1552447062.

The spelling of 212942208 in words is "two hundred twelve million, nine hundred forty-two thousand, two hundred eight".