3212320212 has 36 divisors (see below), whose sum is σ = 8138157300. Its totient is φ = 1068383232.

The previous prime is 3212320211. The next prime is 3212320219. The reversal of 3212320212 is 2120232123.

3212320212 is a `hidden beast` number, since 321 + 2 + 320 + 21 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2408257476 + 804062736 = 49074^2 + 28356^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3212320212² = 20638002288847449888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212320211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83203 + ... + 115530.

It is an arithmetic number, because the mean of its divisors is an integer number (226059925).

Almost surely, 2^3212320212 is an apocalyptic number.

It is an amenable number.

3212320212 is an abundant number, since it is smaller than the sum of its proper divisors (4925837088).

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

3212320212 is a wasteful number, since it uses less digits than its factorization.

3212320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199192 (or 199187 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3212320212 is about 56677.3341998369. The cubic root of 3212320212 is about 1475.5013463041.

Adding to 3212320212 its reverse (2120232123), we get a palindrome (5332552335).

The spelling of 3212320212 in words is "three billion, two hundred twelve million, three hundred twenty thousand, two hundred twelve".