12431233203144 has 64 divisors (see below), whose sum is σ = 35587588982400. Its totient is φ = 3544802932224.

The previous prime is 12431233203119. The next prime is 12431233203149. The reversal of 12431233203144 is 44130233213421.

It is not an unprimeable number, because it can be changed into a prime (12431233203149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72601557 + ... + 72772580.

It is an arithmetic number, because the mean of its divisors is an integer number (556056077850).

Almost surely, 2^{12431233203144} is an apocalyptic number.

12431233203144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12431233203144 is an abundant number, since it is smaller than the sum of its proper divisors (23156355779256).

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

12431233203144 is a wasteful number, since it uses less digits than its factorization.

12431233203144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145374662 (or 145374658 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 12431233203144 its reverse (44130233213421), we get a palindrome (56561466416565).

The spelling of 12431233203144 in words is "twelve trillion, four hundred thirty-one billion, two hundred thirty-three million, two hundred three thousand, one hundred forty-four".