212223102 has 96 divisors (see below), whose sum is σ = 543905280. Its totient is φ = 53988480.

The previous prime is 212223097. The next prime is 212223133. The reversal of 212223102 is 201322212.

It is a happy number.

212223102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205327 + ... + 206357.

It is an arithmetic number, because the mean of its divisors is an integer number (5665680).

Almost surely, 2^212223102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212223102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271952640).

212223102 is an abundant number, since it is smaller than the sum of its proper divisors (331682178).

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

212223102 is a wasteful number, since it uses less digits than its factorization.

212223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212223102 is about 14567.8791181146. The cubic root of 212223102 is about 596.4822887058.

Adding to 212223102 its reverse (201322212), we get a palindrome (413545314).

The spelling of 212223102 in words is "two hundred twelve million, two hundred twenty-three thousand, one hundred two".