32320212 has 12 divisors (see below), whose sum is σ = 75413856. Its totient is φ = 10773400.

The previous prime is 32320201. The next prime is 32320217. The reversal of 32320212 is 21202323.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×32320212² = 2089192207449888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32320191 and 32320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346664 + ... + 1346687.

It is an arithmetic number, because the mean of its divisors is an integer number (6284488).

Almost surely, 2^32320212 is an apocalyptic number.

It is an amenable number.

32320212 is an abundant number, since it is smaller than the sum of its proper divisors (43093644).

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

32320212 is a wasteful number, since it uses less digits than its factorization.

32320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693358 (or 2693356 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 32320212 is about 5685.0868067251. The cubic root of 32320212 is about 318.5356661368.

Adding to 32320212 its reverse (21202323), we get a palindrome (53522535).

The spelling of 32320212 in words is "thirty-two million, three hundred twenty thousand, two hundred twelve".