12301126625503 has 16 divisors (see below), whose sum is σ = 12761971706880. Its totient is φ = 11848286245824.

The previous prime is 12301126625497. The next prime is 12301126625507. The reversal of 12301126625503 is 30552662110321.

It is a cyclic number.

It is not a de Polignac number, because 12301126625503 - 2²⁹ = 12300589754591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301126625507) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 16853778 + ... + 17568496.

It is an arithmetic number, because the mean of its divisors is an integer number (797623231680).

Almost surely, 2^{12301126625503} is an apocalyptic number.

12301126625503 is a deficient number, since it is larger than the sum of its proper divisors (460845081377).

12301126625503 is an equidigital number, since it uses as much as digits as its factorization.

12301126625503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720318.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 12301126625503 its reverse (30552662110321), we get a palindrome (42853788735824).

The spelling of 12301126625503 in words is "twelve trillion, three hundred one billion, one hundred twenty-six million, six hundred twenty-five thousand, five hundred three".