12223111223312 has 40 divisors (see below), whose sum is σ = 25861125680832. Its totient is φ = 5550386889600.

The previous prime is 12223111223273. The next prime is 12223111223317. The reversal of 12223111223312 is 21332211132221.

It is not an unprimeable number, because it can be changed into a prime (12223111223317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34653764 + ... + 35004707.

Almost surely, 2^{12223111223312} is an apocalyptic number.

It is an amenable number.

12223111223312 is an abundant number, since it is smaller than the sum of its proper divisors (13638014457520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12223111223312 is a wasteful number, since it uses less digits than its factorization.

12223111223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69659487 (or 69659481 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

Adding to 12223111223312 its reverse (21332211132221), we get a palindrome (33555322355533).

The spelling of 12223111223312 in words is "twelve trillion, two hundred twenty-three billion, one hundred eleven million, two hundred twenty-three thousand, three hundred twelve".