321100223012 has 6 divisors (see below), whose sum is σ = 561925390278. Its totient is φ = 160550111504.

The previous prime is 321100222991. The next prime is 321100223023. The reversal of 321100223012 is 210322001123.

It can be written as a sum of positive squares in only one way, i.e., 212130251776 + 108969971236 = 460576^2 + 330106^2 .

It is a super-2 number, since 2×321100223012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40137527873 + ... + 40137527880.

It is an arithmetic number, because the mean of its divisors is an integer number (93654231713).

Almost surely, 2^321100223012 is an apocalyptic number.

It is an amenable number.

321100223012 is a deficient number, since it is larger than the sum of its proper divisors (240825167266).

321100223012 is a wasteful number, since it uses less digits than its factorization.

321100223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80275055757 (or 80275055755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 321100223012 its reverse (210322001123), we get a palindrome (531422224135).

The spelling of 321100223012 in words is "three hundred twenty-one billion, one hundred million, two hundred twenty-three thousand, twelve".