323220300212 has 72 divisors (see below), whose sum is σ = 632449286280. Its totient is φ = 144016035840.

The previous prime is 323220300209. The next prime is 323220300251. The reversal of 323220300212 is 212003022323.

It can be written as a sum of positive squares in 4 ways, for example, as 110859697936 + 212360602276 = 332956^2 + 460826^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68462012 + ... + 68466732.

It is an arithmetic number, because the mean of its divisors is an integer number (8784017865).

Almost surely, 2^323220300212 is an apocalyptic number.

It is an amenable number.

323220300212 is a deficient number, since it is larger than the sum of its proper divisors (309228986068).

323220300212 is a wasteful number, since it uses less digits than its factorization.

323220300212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569 (or 7548 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 323220300212 its reverse (212003022323), we get a palindrome (535223322535).

The spelling of 323220300212 in words is "three hundred twenty-three billion, two hundred twenty million, three hundred thousand, two hundred twelve".