321223333012 has 12 divisors (see below), whose sum is σ = 572747263956. Its totient is φ = 157581257600.

The previous prime is 321223333003. The next prime is 321223333021. The reversal of 321223333012 is 210333322123.

It is an interprime number because it is at equal distance from previous prime (321223333003) and next prime (321223333021).

It can be written as a sum of positive squares in 2 ways, for example, as 118393799056 + 202829533956 = 344084^2 + 450366^2 .

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, 757601989 + ... + 757602412.

It is an arithmetic number, because the mean of its divisors is an integer number (47728938663).

Almost surely, 2^321223333012 is an apocalyptic number.

It is an amenable number.

321223333012 is a deficient number, since it is larger than the sum of its proper divisors (251523930944).

321223333012 is a wasteful number, since it uses less digits than its factorization.

321223333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515204458 (or 1515204456 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 321223333012 its reverse (210333322123), we get a palindrome (531556655135).

The spelling of 321223333012 in words is "three hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-three thousand, twelve".