12503422336 has 16 divisors (see below), whose sum is σ = 24909161940. Its totient is φ = 6251711104.

The previous prime is 12503422331. The next prime is 12503422339. The reversal of 12503422336 is 63322430521.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×12503422336² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12503422298 and 12503422307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503422331) 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 as a sum of consecutive naturals, namely, 48841366 + ... + 48841621.

Almost surely, 2^12503422336 is an apocalyptic number.

12503422336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12503422336 is a deficient number, since it is larger than the sum of its proper divisors (12405739604).

12503422336 is an frugal number, since it uses more digits than its factorization.

12503422336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97683001 (or 97682989 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 12503422336 its reverse (63322430521), we get a palindrome (75825852857).

The spelling of 12503422336 in words is "twelve billion, five hundred three million, four hundred twenty-two thousand, three hundred thirty-six".