12205607027 has 4 divisors (see below), whose sum is σ = 12535488336. Its totient is φ = 11875725720.

The previous prime is 12205607023. The next prime is 12205607039. The reversal of 12205607027 is 72070650221.

12205607027 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 is not a de Polignac number, because 12205607027 - 2² = 12205607023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12205606984 and 12205607002.

It is not an unprimeable number, because it can be changed into a prime (12205607021) 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, 164940599 + ... + 164940672.

It is an arithmetic number, because the mean of its divisors is an integer number (3133872084).

Almost surely, 2^12205607027 is an apocalyptic number.

12205607027 is a deficient number, since it is larger than the sum of its proper divisors (329881309).

12205607027 is an equidigital number, since it uses as much as digits as its factorization.

12205607027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329881308.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 12205607027 in words is "twelve billion, two hundred five million, six hundred seven thousand, twenty-seven".