12213313012312 has 8 divisors (see below), whose sum is σ = 22899961898100. Its totient is φ = 6106656506152.

The previous prime is 12213313012289. The next prime is 12213313012337. The reversal of 12213313012312 is 21321031331221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763332063262 + ... + 763332063277.

Almost surely, 2^{12213313012312} is an apocalyptic number.

It is an amenable number.

12213313012312 is a deficient number, since it is larger than the sum of its proper divisors (10686648885788).

12213313012312 is a wasteful number, since it uses less digits than its factorization.

12213313012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526664126545 (or 1526664126541 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12213313012312 its reverse (21321031331221), we get a palindrome (33534344343533).

The spelling of 12213313012312 in words is "twelve trillion, two hundred thirteen billion, three hundred thirteen million, twelve thousand, three hundred twelve".