213223103312 has 20 divisors (see below), whose sum is σ = 424285162836. Its totient is φ = 103730158080.

The previous prime is 213223103297. The next prime is 213223103323. The reversal of 213223103312 is 213301322312.

It can be written as a sum of positive squares in 2 ways, for example, as 184879360576 + 28343742736 = 429976^2 + 168356^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180086489 + ... + 180087672.

Almost surely, 2^213223103312 is an apocalyptic number.

It is an amenable number.

213223103312 is a deficient number, since it is larger than the sum of its proper divisors (211062059524).

213223103312 is a wasteful number, since it uses less digits than its factorization.

213223103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360174206 (or 360174200 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213223103312 its reverse (213301322312), we get a palindrome (426524425624).

The spelling of 213223103312 in words is "two hundred thirteen billion, two hundred twenty-three million, one hundred three thousand, three hundred twelve".