212320313232 has 120 divisors (see below), whose sum is σ = 579213329760. Its totient is φ = 67010112000.

The previous prime is 212320313167. The next prime is 212320313239. The reversal of 212320313232 is 232313023212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (212320313239) 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, 56331444 + ... + 56335212.

It is an arithmetic number, because the mean of its divisors is an integer number (4826777748).

Almost surely, 2^212320313232 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 212320313232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289606664880).

212320313232 is an abundant number, since it is smaller than the sum of its proper divisors (366893016528).

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

212320313232 is a wasteful number, since it uses less digits than its factorization.

212320313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069 (or 7044 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212320313232 its reverse (232313023212), we get a palindrome (444633336444).

The spelling of 212320313232 in words is "two hundred twelve billion, three hundred twenty million, three hundred thirteen thousand, two hundred thirty-two".