12442841625 has 16 divisors (see below), whose sum is σ = 20704889088. Its totient is φ = 6636182000.

The previous prime is 12442841611. The next prime is 12442841627. The reversal of 12442841625 is 52614824421.

12442841625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12442841625 - 2⁹ = 12442841113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12442841627) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 16590081 + ... + 16590830.

It is an arithmetic number, because the mean of its divisors is an integer number (1294055568).

Almost surely, 2^12442841625 is an apocalyptic number.

12442841625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12442841625 is a deficient number, since it is larger than the sum of its proper divisors (8262047463).

12442841625 is an equidigital number, since it uses as much as digits as its factorization.

12442841625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33180929 (or 33180919 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The spelling of 12442841625 in words is "twelve billion, four hundred forty-two million, eight hundred forty-one thousand, six hundred twenty-five".