12431441445 has 16 divisors (see below), whose sum is σ = 19990262400. Its totient is φ = 6596783424.

The previous prime is 12431441443. The next prime is 12431441461. The reversal of 12431441445 is 54414413421.

It is not a de Polignac number, because 12431441445 - 2¹ = 12431441443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431441441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079334 + ... + 2085303.

It is an arithmetic number, because the mean of its divisors is an integer number (1249391400).

Almost surely, 2^12431441445 is an apocalyptic number.

12431441445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12431441445 is a deficient number, since it is larger than the sum of its proper divisors (7558820955).

12431441445 is a wasteful number, since it uses less digits than its factorization.

12431441445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164844.

The product of its digits is 30720, while the sum is 33.

Adding to 12431441445 its reverse (54414413421), we get a palindrome (66845854866).

The spelling of 12431441445 in words is "twelve billion, four hundred thirty-one million, four hundred forty-one thousand, four hundred forty-five".