12340440121144 has 16 divisors (see below), whose sum is σ = 23139439404120. Its totient is φ = 6169922946720.

The previous prime is 12340440121117. The next prime is 12340440121183. The reversal of 12340440121144 is 44112104404321.

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, 36962662 + ... + 37295029.

Almost surely, 2^{12340440121144} is an apocalyptic number.

It is an amenable number.

12340440121144 is a deficient number, since it is larger than the sum of its proper divisors (10798999282976).

12340440121144 is a wasteful number, since it uses less digits than its factorization.

12340440121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74278470 (or 74278466 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 12340440121144 its reverse (44112104404321), we get a palindrome (56452544525465).

The spelling of 12340440121144 in words is "twelve trillion, three hundred forty billion, four hundred forty million, one hundred twenty-one thousand, one hundred forty-four".