12143431504 has 10 divisors (see below), whose sum is σ = 23527898570. Its totient is φ = 6071715744.

The previous prime is 12143431499. The next prime is 12143431513. The reversal of 12143431504 is 40513434121.

12143431504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11898446400 + 244985104 = 109080^2 + 15652^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379482219 + ... + 379482250.

It is an arithmetic number, because the mean of its divisors is an integer number (2352789857).

Almost surely, 2^12143431504 is an apocalyptic number.

It is an amenable number.

12143431504 is a deficient number, since it is larger than the sum of its proper divisors (11384467066).

12143431504 is an equidigital number, since it uses as much as digits as its factorization.

12143431504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758964477 (or 758964471 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12143431504 its reverse (40513434121), we get a palindrome (52656865625).

The spelling of 12143431504 in words is "twelve billion, one hundred forty-three million, four hundred thirty-one thousand, five hundred four".