12308613203227 has 4 divisors (see below), whose sum is σ = 13427578039896. Its totient is φ = 11189648366560.

The previous prime is 12308613203153. The next prime is 12308613203281. The reversal of 12308613203227 is 72230231680321.

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

It is a cyclic number.

It is not a de Polignac number, because 12308613203227 - 2¹⁹ = 12308612678939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12308613203227.

It is not an unprimeable number, because it can be changed into a prime (12308613503227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559482418318 + ... + 559482418339.

It is an arithmetic number, because the mean of its divisors is an integer number (3356894509974).

Almost surely, 2^{12308613203227} is an apocalyptic number.

12308613203227 is a deficient number, since it is larger than the sum of its proper divisors (1118964836669).

12308613203227 is a wasteful number, since it uses less digits than its factorization.

12308613203227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118964836668.

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 12308613203227 its reverse (72230231680321), we get a palindrome (84538844883548).

The spelling of 12308613203227 in words is "twelve trillion, three hundred eight billion, six hundred thirteen million, two hundred three thousand, two hundred twenty-seven".