12305252317503 has 16 divisors (see below), whose sum is σ = 16482982095360. Its totient is φ = 8165528277696.

The previous prime is 12305252317493. The next prime is 12305252317511. The reversal of 12305252317503 is 30571325250321.

12305252317503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12305252317503 - 2⁴ = 12305252317487 is a prime.

It is a super-3 number, since 3×12305252317503³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305252317543) 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, 1008138 + ... + 5062296.

It is an arithmetic number, because the mean of its divisors is an integer number (1030186380960).

Almost surely, 2^{12305252317503} is an apocalyptic number.

12305252317503 is a deficient number, since it is larger than the sum of its proper divisors (4177729777857).

12305252317503 is a wasteful number, since it uses less digits than its factorization.

12305252317503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058846.

The product of its (nonzero) digits is 189000, while the sum is 39.

Adding to 12305252317503 its reverse (30571325250321), we get a palindrome (42876577567824).

The spelling of 12305252317503 in words is "twelve trillion, three hundred five billion, two hundred fifty-two million, three hundred seventeen thousand, five hundred three".