12143400021344 has 12 divisors (see below), whose sum is σ = 23907318792084. Its totient is φ = 6071700010656.

The previous prime is 12143400021223. The next prime is 12143400021377. The reversal of 12143400021344 is 44312000434121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189740625302 + ... + 189740625365.

It is an arithmetic number, because the mean of its divisors is an integer number (1992276566007).

Almost surely, 2^{12143400021344} is an apocalyptic number.

It is an amenable number.

12143400021344 is a deficient number, since it is larger than the sum of its proper divisors (11763918770740).

12143400021344 is an equidigital number, since it uses as much as digits as its factorization.

12143400021344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379481250677 (or 379481250669 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12143400021344 its reverse (44312000434121), we get a palindrome (56455400455465).

The spelling of 12143400021344 in words is "twelve trillion, one hundred forty-three billion, four hundred million, twenty-one thousand, three hundred forty-four".