12431445133144 has 16 divisors (see below), whose sum is σ = 23457424338000. Its totient is φ = 6176131976352.

The previous prime is 12431445133091. The next prime is 12431445133181. The reversal of 12431445133144 is 44133154413421.

It is a junction number, because it is equal to n+sod(n) for n = 12431445133097 and 12431445133106.

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, 4948822444 + ... + 4948824955.

It is an arithmetic number, because the mean of its divisors is an integer number (1466089021125).

Almost surely, 2^{12431445133144} is an apocalyptic number.

It is an amenable number.

12431445133144 is a deficient number, since it is larger than the sum of its proper divisors (11025979204856).

12431445133144 is a wasteful number, since it uses less digits than its factorization.

12431445133144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9897647562 (or 9897647558 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

Adding to 12431445133144 its reverse (44133154413421), we get a palindrome (56564599546565).

The spelling of 12431445133144 in words is "twelve trillion, four hundred thirty-one billion, four hundred forty-five million, one hundred thirty-three thousand, one hundred forty-four".