12305748735787 has 16 divisors (see below), whose sum is σ = 13709845427040. Its totient is φ = 10967039177472.

The previous prime is 12305748735779. The next prime is 12305748735851. The reversal of 12305748735787 is 78753784750321.

12305748735787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12305748735787 - 2³ = 12305748735779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12305748735737) 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, 9485428 + ... + 10704430.

It is an arithmetic number, because the mean of its divisors is an integer number (856865339190).

Almost surely, 2^{12305748735787} is an apocalyptic number.

12305748735787 is a deficient number, since it is larger than the sum of its proper divisors (1404096691253).

12305748735787 is a wasteful number, since it uses less digits than its factorization.

12305748735787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245822.

The product of its (nonzero) digits is 276595200, while the sum is 67.

The spelling of 12305748735787 in words is "twelve trillion, three hundred five billion, seven hundred forty-eight million, seven hundred thirty-five thousand, seven hundred eighty-seven".