818260212 has 144 divisors (see below), whose sum is σ = 2457508032. Its totient is φ = 209502720.

The previous prime is 818260211. The next prime is 818260229. The reversal of 818260212 is 212062818.

It is a self number, because there is not a number n which added to its sum of digits gives 818260212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818260211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471298 + ... + 473030.

It is an arithmetic number, because the mean of its divisors is an integer number (17066028).

Almost surely, 2^818260212 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 818260212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228754016).

818260212 is an abundant number, since it is smaller than the sum of its proper divisors (1639247820).

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

818260212 is a wasteful number, since it uses less digits than its factorization.

818260212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 818260212 is about 28605.2479800473. The cubic root of 818260212 is about 935.3277324426.

The spelling of 818260212 in words is "eight hundred eighteen million, two hundred sixty thousand, two hundred twelve".