212534322 has 96 divisors (see below), whose sum is σ = 575223936. Its totient is φ = 50941440.

The previous prime is 212534321. The next prime is 212534339. The reversal of 212534322 is 223435212.

It is a junction number, because it is equal to n+sod(n) for n = 212534292 and 212534301.

It is not an unprimeable number, because it can be changed into a prime (212534321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64458 + ... + 67674.

It is an arithmetic number, because the mean of its divisors is an integer number (5991916).

Almost surely, 2^212534322 is an apocalyptic number.

212534322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 212534322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287611968).

212534322 is an abundant number, since it is smaller than the sum of its proper divisors (362689614).

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

212534322 is a wasteful number, since it uses less digits than its factorization.

212534322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264 (or 3253 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 212534322 is about 14578.5569244696. The cubic root of 212534322 is about 596.7737218656.

Adding to 212534322 its reverse (223435212), we get a palindrome (435969534).

The spelling of 212534322 in words is "two hundred twelve million, five hundred thirty-four thousand, three hundred twenty-two".