12231303222112 has 96 divisors (see below), whose sum is σ = 26585877205440. Its totient is φ = 5503246049280.

The previous prime is 12231303222079. The next prime is 12231303222137. The reversal of 12231303222112 is 21122230313221.

It is a super-2 number, since 2×12231303222112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21707013 + ... + 22263355.

It is an arithmetic number, because the mean of its divisors is an integer number (276936220890).

Almost surely, 2^{12231303222112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12231303222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13292938602720).

12231303222112 is an abundant number, since it is smaller than the sum of its proper divisors (14354573983328).

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

12231303222112 is a wasteful number, since it uses less digits than its factorization.

12231303222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557696 (or 557688 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12231303222112 its reverse (21122230313221), we get a palindrome (33353533535333).

The spelling of 12231303222112 in words is "twelve trillion, two hundred thirty-one billion, three hundred three million, two hundred twenty-two thousand, one hundred twelve".