12244440425 has 48 divisors (see below), whose sum is σ = 18127506432. Its totient is φ = 8021851200.

The previous prime is 12244440421. The next prime is 12244440437. The reversal of 12244440425 is 52404444221.

It is not a de Polignac number, because 12244440425 - 2² = 12244440421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12244440391 and 12244440400.

It is not an unprimeable number, because it can be changed into a prime (12244440421) 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 47 ways as a sum of consecutive naturals, for example, 6161282 + ... + 6163268.

It is an arithmetic number, because the mean of its divisors is an integer number (377656384).

Almost surely, 2^12244440425 is an apocalyptic number.

It is an amenable number.

12244440425 is a deficient number, since it is larger than the sum of its proper divisors (5883066007).

12244440425 is a wasteful number, since it uses less digits than its factorization.

12244440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 12244440425 its reverse (52404444221), we get a palindrome (64648884646).

The spelling of 12244440425 in words is "twelve billion, two hundred forty-four million, four hundred forty thousand, four hundred twenty-five".