321142211212 has 12 divisors (see below), whose sum is σ = 572602622256. Its totient is φ = 157541462000.

The previous prime is 321142211209. The next prime is 321142211213. The reversal of 321142211212 is 212112241123.

It is not an unprimeable number, because it can be changed into a prime (321142211213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757410664 + ... + 757411087.

It is an arithmetic number, because the mean of its divisors is an integer number (47716885188).

Almost surely, 2^321142211212 is an apocalyptic number.

It is an amenable number.

321142211212 is a deficient number, since it is larger than the sum of its proper divisors (251460411044).

321142211212 is a wasteful number, since it uses less digits than its factorization.

321142211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514821808 (or 1514821806 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

Adding to 321142211212 its reverse (212112241123), we get a palindrome (533254452335).

The spelling of 321142211212 in words is "three hundred twenty-one billion, one hundred forty-two million, two hundred eleven thousand, two hundred twelve".