12223233332312 has 8 divisors (see below), whose sum is σ = 22918562498100. Its totient is φ = 6111616666152.

The previous prime is 12223233332311. The next prime is 12223233332329. The reversal of 12223233332312 is 21323333232221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12223233332312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223233332311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763952083262 + ... + 763952083277.

Almost surely, 2^{12223233332312} is an apocalyptic number.

It is an amenable number.

12223233332312 is a deficient number, since it is larger than the sum of its proper divisors (10695329165788).

12223233332312 is a wasteful number, since it uses less digits than its factorization.

12223233332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527904166545 (or 1527904166541 counting only the distinct ones).

The product of its digits is 46656, while the sum is 32.

Adding to 12223233332312 its reverse (21323333232221), we get a palindrome (33546566564533).

The spelling of 12223233332312 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-three million, three hundred thirty-two thousand, three hundred twelve".