12212321120343 has 12 divisors (see below), whose sum is σ = 17641148994040. Its totient is φ = 8141026060656.

The previous prime is 12212321120341. The next prime is 12212321120347. The reversal of 12212321120343 is 34302112321221.

12212321120343 is a `hidden beast` number, since 1 + 2 + 212 + 321 + 120 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 12212321120343 - 2¹ = 12212321120341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212321120341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43297696 + ... + 43578837.

Almost surely, 2^{12212321120343} is an apocalyptic number.

12212321120343 is a deficient number, since it is larger than the sum of its proper divisors (5428827873697).

12212321120343 is a wasteful number, since it uses less digits than its factorization.

12212321120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86892158 (or 86892155 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12212321120343 its reverse (34302112321221), we get a palindrome (46514433441564).

The spelling of 12212321120343 in words is "twelve trillion, two hundred twelve billion, three hundred twenty-one million, one hundred twenty thousand, three hundred forty-three".