320212223012 has 24 divisors (see below), whose sum is σ = 625530857952. Its totient is φ = 142166102400.

The previous prime is 320212223011. The next prime is 320212223033. The reversal of 320212223012 is 210322212023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320212223011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84620789 + ... + 84624572.

It is an arithmetic number, because the mean of its divisors is an integer number (26063785748).

Almost surely, 2^320212223012 is an apocalyptic number.

It is an amenable number.

320212223012 is a deficient number, since it is larger than the sum of its proper divisors (305318634940).

320212223012 is a wasteful number, since it uses less digits than its factorization.

320212223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169245419 (or 169245417 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320212223012 its reverse (210322212023), we get a palindrome (530534435035).

The spelling of 320212223012 in words is "three hundred twenty billion, two hundred twelve million, two hundred twenty-three thousand, twelve".