323220212012 has 24 divisors (see below), whose sum is σ = 583907100672. Its totient is φ = 156390066000.

The previous prime is 323220212009. The next prime is 323220212047. The reversal of 323220212012 is 210212022323.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922637 + ... + 4004187.

It is an arithmetic number, because the mean of its divisors is an integer number (24329462528).

Almost surely, 2^323220212012 is an apocalyptic number.

It is an amenable number.

323220212012 is a deficient number, since it is larger than the sum of its proper divisors (260686888660).

323220212012 is a wasteful number, since it uses less digits than its factorization.

323220212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113549 (or 113547 counting only the distinct ones).

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

Adding to 323220212012 its reverse (210212022323), we get a palindrome (533432234335).

The spelling of 323220212012 in words is "three hundred twenty-three billion, two hundred twenty million, two hundred twelve thousand, twelve".