12431033444 has 12 divisors (see below), whose sum is σ = 21770711424. Its totient is φ = 6210830184.

The previous prime is 12431033441. The next prime is 12431033473. The reversal of 12431033444 is 44433013421.

It is a happy number.

It is a super-2 number, since 2×12431033444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12431033441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165664 + ... + 1176279.

It is an arithmetic number, because the mean of its divisors is an integer number (1814225952).

Almost surely, 2^12431033444 is an apocalyptic number.

It is an amenable number.

12431033444 is a deficient number, since it is larger than the sum of its proper divisors (9339677980).

12431033444 is a wasteful number, since it uses less digits than its factorization.

12431033444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343274 (or 2343272 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12431033444 its reverse (44433013421), we get a palindrome (56864046865).

The spelling of 12431033444 in words is "twelve billion, four hundred thirty-one million, thirty-three thousand, four hundred forty-four".