12501903311203 has 16 divisors (see below), whose sum is σ = 12816559422720. Its totient is φ = 12191059980000.

The previous prime is 12501903311059. The next prime is 12501903311243. The reversal of 12501903311203 is 30211330910521.

It is a cyclic number.

It is not a de Polignac number, because 12501903311203 - 2³³ = 12493313376611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12501903311243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36037588 + ... + 36382846.

It is an arithmetic number, because the mean of its divisors is an integer number (801034963920).

Almost surely, 2^{12501903311203} is an apocalyptic number.

12501903311203 is a deficient number, since it is larger than the sum of its proper divisors (314656111517).

12501903311203 is a wasteful number, since it uses less digits than its factorization.

12501903311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350778.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 12501903311203 in words is "twelve trillion, five hundred one billion, nine hundred three million, three hundred eleven thousand, two hundred three".