212233122444 has 96 divisors (see below), whose sum is σ = 575673638400. Its totient is φ = 59605401600.

The previous prime is 212233122443. The next prime is 212233122463. The reversal of 212233122444 is 444221332212.

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 (212233122443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1089292 + ... + 1269260.

It is an arithmetic number, because the mean of its divisors is an integer number (5996600400).

Almost surely, 2^212233122444 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 212233122444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287836819200).

212233122444 is an abundant number, since it is smaller than the sum of its proper divisors (363440515956).

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

212233122444 is a wasteful number, since it uses less digits than its factorization.

212233122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180223 (or 180221 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 212233122444 its reverse (444221332212), we get a palindrome (656454454656).

The spelling of 212233122444 in words is "two hundred twelve billion, two hundred thirty-three million, one hundred twenty-two thousand, four hundred forty-four".