212223322212 has 192 divisors, whose sum is σ = 583317116928. Its totient is φ = 59339520000.

The previous prime is 212223322211. The next prime is 212223322301.

212223322212 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (212223322211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23339787 + ... + 23348877.

It is an arithmetic number, because the mean of its divisors is an integer number (3038109984).

Almost surely, 2^212223322212 is an apocalyptic number.

212223322212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212223322212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291658558464).

212223322212 is an abundant number, since it is smaller than the sum of its proper divisors (371093794716).

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

212223322212 is a wasteful number, since it uses less digits than its factorization.

212223322212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330 (or 9328 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

It can be divided in two parts, 212223 and 322212, that added together give a palindrome (534435).

The spelling of 212223322212 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred twelve".