12212230332312 has 48 divisors (see below), whose sum is σ = 35020366397640. Its totient is φ = 3831287947008.

The previous prime is 12212230332299. The next prime is 12212230332319. The reversal of 12212230332312 is 21323303221221.

12212230332312 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 22 + 303 + 323 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212230332319) 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 in 11 ways as a sum of consecutive naturals, for example, 4988654958 + ... + 4988657405.

Almost surely, 2^{12212230332312} is an apocalyptic number.

12212230332312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212230332312 is an abundant number, since it is smaller than the sum of its proper divisors (22808136065328).

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

12212230332312 is a wasteful number, since it uses less digits than its factorization.

12212230332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9977312392 (or 9977312385 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12212230332312 its reverse (21323303221221), we get a palindrome (33535533553533).

The spelling of 12212230332312 in words is "twelve trillion, two hundred twelve billion, two hundred thirty million, three hundred thirty-two thousand, three hundred twelve".