12328208111077 has 4 divisors (see below), whose sum is σ = 12560815811340. Its totient is φ = 12095600410816.

The previous prime is 12328208111033. The next prime is 12328208111083. The reversal of 12328208111077 is 77011180282321.

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 8465591765761 + 3862616345316 = 2909569^2 + 1965354^2 .

It is a cyclic number.

It is not a de Polignac number, because 12328208111077 - 2²⁷ = 12328073893349 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 (12328208111017) 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, 116303850052 + ... + 116303850157.

It is an arithmetic number, because the mean of its divisors is an integer number (3140203952835).

Almost surely, 2^{12328208111077} is an apocalyptic number.

It is an amenable number.

12328208111077 is a deficient number, since it is larger than the sum of its proper divisors (232607700263).

12328208111077 is an equidigital number, since it uses as much as digits as its factorization.

12328208111077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232607700262.

The product of its (nonzero) digits is 75264, while the sum is 43.

Adding to 12328208111077 its reverse (77011180282321), we get a palindrome (89339388393398).

The spelling of 12328208111077 in words is "twelve trillion, three hundred twenty-eight billion, two hundred eight million, one hundred eleven thousand, seventy-seven".