12503342044 has 6 divisors (see below), whose sum is σ = 21880848584. Its totient is φ = 6251671020.

The previous prime is 12503342023. The next prime is 12503342051. The reversal of 12503342044 is 44024330521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1562917752 + ... + 1562917759.

Almost surely, 2^12503342044 is an apocalyptic number.

It is an amenable number.

12503342044 is a deficient number, since it is larger than the sum of its proper divisors (9377506540).

12503342044 is a wasteful number, since it uses less digits than its factorization.

12503342044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125835515 (or 3125835513 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12503342044 its reverse (44024330521), we get a palindrome (56527672565).

The spelling of 12503342044 in words is "twelve billion, five hundred three million, three hundred forty-two thousand, forty-four".