12308105776528 has 20 divisors (see below), whose sum is σ = 23855744910028. Its totient is φ = 6151784509440.

The previous prime is 12308105776507. The next prime is 12308105776553. The reversal of 12308105776528 is 82567750180321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10547633234944 + 1760472541584 = 3247712^2 + 1326828^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141728913 + ... + 141815728.

Almost surely, 2^{12308105776528} is an apocalyptic number.

It is an amenable number.

12308105776528 is a deficient number, since it is larger than the sum of its proper divisors (11547639133500).

12308105776528 is a wasteful number, since it uses less digits than its factorization.

12308105776528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283547362 (or 283547356 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 12308105776528 in words is "twelve trillion, three hundred eight billion, one hundred five million, seven hundred seventy-six thousand, five hundred twenty-eight".