12444433125 has 80 divisors (see below), whose sum is σ = 21359612736. Its totient is φ = 6439680000.

The previous prime is 12444433121. The next prime is 12444433129. The reversal of 12444433125 is 52133444421.

It is an interprime number because it is at equal distance from previous prime (12444433121) and next prime (12444433129).

It is not a de Polignac number, because 12444433125 - 2² = 12444433121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444433121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9638730 + ... + 9640020.

Almost surely, 2^12444433125 is an apocalyptic number.

12444433125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12444433125 is a deficient number, since it is larger than the sum of its proper divisors (8915179611).

12444433125 is an equidigital number, since it uses as much as digits as its factorization.

12444433125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1449 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 12444433125 its reverse (52133444421), we get a palindrome (64577877546).

The spelling of 12444433125 in words is "twelve billion, four hundred forty-four million, four hundred thirty-three thousand, one hundred twenty-five".