212318262 has 48 divisors (see below), whose sum is σ = 506954448. Its totient is φ = 63806400.

The previous prime is 212318257. The next prime is 212318263. The reversal of 212318262 is 262813212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212318263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (10561551).

Almost surely, 2^212318262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212318262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253477224).

212318262 is an abundant number, since it is smaller than the sum of its proper divisors (294636186).

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

212318262 is a wasteful number, since it uses less digits than its factorization.

212318262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21165 (or 21162 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 212318262 is about 14571.1448417755. The cubic root of 212318262 is about 596.5714288172.

The spelling of 212318262 in words is "two hundred twelve million, three hundred eighteen thousand, two hundred sixty-two".