12421044242344 has 64 divisors (see below), whose sum is σ = 24253275816000. Its totient is φ = 5958880542720.

The previous prime is 12421044242339. The next prime is 12421044242371. The reversal of 12421044242344 is 44324244012421.

It is a super-2 number, since 2×12421044242344² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15751827 + ... + 16521565.

It is an arithmetic number, because the mean of its divisors is an integer number (378957434625).

Almost surely, 2^{12421044242344} is an apocalyptic number.

It is an amenable number.

12421044242344 is a deficient number, since it is larger than the sum of its proper divisors (11832231573656).

12421044242344 is a wasteful number, since it uses less digits than its factorization.

12421044242344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770618 (or 770614 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 12421044242344 its reverse (44324244012421), we get a palindrome (56745288254765).

The spelling of 12421044242344 in words is "twelve trillion, four hundred twenty-one billion, forty-four million, two hundred forty-two thousand, three hundred forty-four".