12328538662961 has 4 divisors (see below), whose sum is σ = 12561152600052. Its totient is φ = 12095924725872.

The previous prime is 12328538662933. The next prime is 12328538662997. The reversal of 12328538662961 is 16926683582321.

12328538662961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7149072750625 + 5179465912336 = 2673775^2 + 2275844^2 .

It is a cyclic number.

It is not a de Polignac number, because 12328538662961 - 2²⁶ = 12328471554097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12328538662894 and 12328538662903.

It is not an unprimeable number, because it can be changed into a prime (12328538662901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116306968466 + ... + 116306968571.

It is an arithmetic number, because the mean of its divisors is an integer number (3140288150013).

Almost surely, 2^{12328538662961} is an apocalyptic number.

It is an amenable number.

12328538662961 is a deficient number, since it is larger than the sum of its proper divisors (232613937091).

12328538662961 is an equidigital number, since it uses as much as digits as its factorization.

12328538662961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232613937090.

The product of its digits is 44789760, while the sum is 62.

The spelling of 12328538662961 in words is "twelve trillion, three hundred twenty-eight billion, five hundred thirty-eight million, six hundred sixty-two thousand, nine hundred sixty-one".