12207617027 has 4 divisors (see below), whose sum is σ = 12226086096. Its totient is φ = 12189147960.

The previous prime is 12207616999. The next prime is 12207617029. The reversal of 12207617027 is 72071670221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72071670221 = 17 ⋅4239510013.

It is a cyclic number.

It is not a de Polignac number, because 12207617027 - 2¹² = 12207612931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12207617029) 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, 9233543 + ... + 9234864.

It is an arithmetic number, because the mean of its divisors is an integer number (3056521524).

Almost surely, 2^12207617027 is an apocalyptic number.

12207617027 is a deficient number, since it is larger than the sum of its proper divisors (18469069).

12207617027 is an equidigital number, since it uses as much as digits as its factorization.

12207617027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469068.

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 12207617027 in words is "twelve billion, two hundred seven million, six hundred seventeen thousand, twenty-seven".