323220142012 has 24 divisors (see below), whose sum is σ = 569246277600. Its totient is φ = 160581510336.

The previous prime is 323220142001. The next prime is 323220142051. The reversal of 323220142012 is 210241022323.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14314 + ... + 804142.

It is an arithmetic number, because the mean of its divisors is an integer number (23718594900).

Almost surely, 2^323220142012 is an apocalyptic number.

It is an amenable number.

323220142012 is a deficient number, since it is larger than the sum of its proper divisors (246026135588).

323220142012 is a wasteful number, since it uses less digits than its factorization.

323220142012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790485 (or 790483 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 323220142012 its reverse (210241022323), we get a palindrome (533461164335).

The spelling of 323220142012 in words is "three hundred twenty-three billion, two hundred twenty million, one hundred forty-two thousand, twelve".