12212321120344 has 16 divisors (see below), whose sum is σ = 24103265369400. Its totient is φ = 5784783688512.

The previous prime is 12212321120341. The next prime is 12212321120347. The reversal of 12212321120344 is 44302112321221.

It is an interprime number because it is at equal distance from previous prime (12212321120341) and next prime (12212321120347).

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40172108797 + ... + 40172109100.

Almost surely, 2^{12212321120344} is an apocalyptic number.

It is an amenable number.

12212321120344 is a deficient number, since it is larger than the sum of its proper divisors (11890944249056).

12212321120344 is a wasteful number, since it uses less digits than its factorization.

12212321120344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80344217922 (or 80344217918 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12212321120344 its reverse (44302112321221), we get a palindrome (56514433441565).

The spelling of 12212321120344 in words is "twelve trillion, two hundred twelve billion, three hundred twenty-one million, one hundred twenty thousand, three hundred forty-four".