212818068 has 72 divisors (see below), whose sum is σ = 557251968. Its totient is φ = 68439168.

The previous prime is 212818033. The next prime is 212818093. The reversal of 212818068 is 860818212.

212818068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122655 + ... + 124377.

Almost surely, 2^212818068 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 212818068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278625984).

212818068 is an abundant number, since it is smaller than the sum of its proper divisors (344433900).

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

212818068 is a wasteful number, since it uses less digits than its factorization.

212818068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 212818068 is about 14588.2853001989. The cubic root of 212818068 is about 597.0391799409.

The spelling of 212818068 in words is "two hundred twelve million, eight hundred eighteen thousand, sixty-eight".