223020320212 has 48 divisors (see below), whose sum is σ = 403876408320. Its totient is φ = 107691667200.

The previous prime is 223020320209. The next prime is 223020320219. The reversal of 223020320212 is 212023020322.

It is a self number, because there is not a number n which added to its sum of digits gives 223020320212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223020320219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32982912 + ... + 32989672.

It is an arithmetic number, because the mean of its divisors is an integer number (8414091840).

Almost surely, 2^223020320212 is an apocalyptic number.

It is an amenable number.

223020320212 is a deficient number, since it is larger than the sum of its proper divisors (180856088108).

223020320212 is a wasteful number, since it uses less digits than its factorization.

223020320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112 (or 9110 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 223020320212 its reverse (212023020322), we get a palindrome (435043340534).

The spelling of 223020320212 in words is "two hundred twenty-three billion, twenty million, three hundred twenty thousand, two hundred twelve".