12113272177 has 4 divisors (see below), whose sum is σ = 12200418160. Its totient is φ = 12026126196.

The previous prime is 12113272163. The next prime is 12113272211. The reversal of 12113272177 is 77127231121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77127231121 = 39397 ⋅1957693.

It is a cyclic number.

It is not a de Polignac number, because 12113272177 - 2²⁷ = 11979054449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12113272117) 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, 43572783 + ... + 43573060.

It is an arithmetic number, because the mean of its divisors is an integer number (3050104540).

Almost surely, 2^12113272177 is an apocalyptic number.

It is an amenable number.

12113272177 is a deficient number, since it is larger than the sum of its proper divisors (87145983).

12113272177 is an equidigital number, since it uses as much as digits as its factorization.

12113272177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87145982.

The product of its digits is 8232, while the sum is 34.

The spelling of 12113272177 in words is "twelve billion, one hundred thirteen million, two hundred seventy-two thousand, one hundred seventy-seven".