12603043420625 has 40 divisors (see below), whose sum is σ = 18176790815040. Its totient is φ = 8556521400000.

The previous prime is 12603043420621. The next prime is 12603043420631. The reversal of 12603043420625 is 52602434030621.

It is not a de Polignac number, because 12603043420625 - 2² = 12603043420621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12603043420621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13818995 + ... + 14702744.

It is an arithmetic number, because the mean of its divisors is an integer number (454419770376).

Almost surely, 2^{12603043420625} is an apocalyptic number.

It is an amenable number.

12603043420625 is a deficient number, since it is larger than the sum of its proper divisors (5573747394415).

12603043420625 is an equidigital number, since it uses as much as digits as its factorization.

12603043420625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521867 (or 28521852 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 12603043420625 in words is "twelve trillion, six hundred three billion, forty-three million, four hundred twenty thousand, six hundred twenty-five".