212059818 has 24 divisors (see below), whose sum is σ = 465937056. Its totient is φ = 69690600.

The previous prime is 212059811. The next prime is 212059873. The reversal of 212059818 is 818950212.

212059818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212059811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81688 + ... + 84243.

It is an arithmetic number, because the mean of its divisors is an integer number (19414044).

Almost surely, 2^212059818 is an apocalyptic number.

212059818 is an abundant number, since it is smaller than the sum of its proper divisors (253877238).

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

212059818 is a wasteful number, since it uses less digits than its factorization.

212059818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166010 (or 166007 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 212059818 is about 14562.2737922345. The cubic root of 212059818 is about 596.3292720572.

The spelling of 212059818 in words is "two hundred twelve million, fifty-nine thousand, eight hundred eighteen".