12421112043320 has 16 divisors (see below), whose sum is σ = 27947502097560. Its totient is φ = 4968444817312.

The previous prime is 12421112043317. The next prime is 12421112043343. The reversal of 12421112043320 is 2334021112421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12421112043320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155263900502 + ... + 155263900581.

Almost surely, 2^{12421112043320} is an apocalyptic number.

12421112043320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421112043320 is an abundant number, since it is smaller than the sum of its proper divisors (15526390054240).

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

12421112043320 is a wasteful number, since it uses less digits than its factorization.

12421112043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310527801094 (or 310527801090 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 12421112043320 its reverse (2334021112421), we get a palindrome (14755133155741).

The spelling of 12421112043320 in words is "twelve trillion, four hundred twenty-one billion, one hundred twelve million, forty-three thousand, three hundred twenty".