12420344111324 has 24 divisors (see below), whose sum is σ = 22145912541648. Its totient is φ = 6092942693760.

The previous prime is 12420344111291. The next prime is 12420344111359. The reversal of 12420344111324 is 42311144302421.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31497419 + ... + 31889309.

It is an arithmetic number, because the mean of its divisors is an integer number (922746355902).

Almost surely, 2^{12420344111324} is an apocalyptic number.

It is an amenable number.

12420344111324 is a deficient number, since it is larger than the sum of its proper divisors (9725568430324).

12420344111324 is a wasteful number, since it uses less digits than its factorization.

12420344111324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541445 (or 541443 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 12420344111324 its reverse (42311144302421), we get a palindrome (54731488413745).

The spelling of 12420344111324 in words is "twelve trillion, four hundred twenty billion, three hundred forty-four million, one hundred eleven thousand, three hundred twenty-four".