12305131161104 has 20 divisors (see below), whose sum is σ = 23841588394476. Its totient is φ = 6152463188352.

The previous prime is 12305131161101. The next prime is 12305131161119. The reversal of 12305131161104 is 40116113150321.

It can be written as a sum of positive squares in 2 ways, for example, as 2765063471104 + 9540067690000 = 1662848^2 + 3088700^2 .

It is not an unprimeable number, because it can be changed into a prime (12305131161101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5403359 + ... + 7335294.

Almost surely, 2^{12305131161104} is an apocalyptic number.

It is an amenable number.

12305131161104 is a deficient number, since it is larger than the sum of its proper divisors (11536457233372).

12305131161104 is a wasteful number, since it uses less digits than its factorization.

12305131161104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12799034 (or 12799028 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 12305131161104 in words is "twelve trillion, three hundred five billion, one hundred thirty-one million, one hundred sixty-one thousand, one hundred four".