12450423044 has 24 divisors (see below), whose sum is σ = 21920572800. Its totient is φ = 6187436640.

The previous prime is 12450423023. The next prime is 12450423047. The reversal of 12450423044 is 44032405421.

It is a junction number, because it is equal to n+sod(n) for n = 12450422998 and 12450423016.

It is not an unprimeable number, because it can be changed into a prime (12450423047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2597402 + ... + 2602190.

It is an arithmetic number, because the mean of its divisors is an integer number (913357200).

Almost surely, 2^12450423044 is an apocalyptic number.

It is an amenable number.

12450423044 is a deficient number, since it is larger than the sum of its proper divisors (9470149756).

12450423044 is a wasteful number, since it uses less digits than its factorization.

12450423044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603 (or 8601 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 12450423044 its reverse (44032405421), we get a palindrome (56482828465).

The spelling of 12450423044 in words is "twelve billion, four hundred fifty million, four hundred twenty-three thousand, forty-four".