12149295227 has 4 divisors (see below), whose sum is σ = 12162207216. Its totient is φ = 12136383240.

The previous prime is 12149295211. The next prime is 12149295241. The reversal of 12149295227 is 72259294121.

12149295227 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 a cyclic number.

It is not a de Polignac number, because 12149295227 - 2⁴ = 12149295211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12149295287) 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, 6454583 + ... + 6456464.

It is an arithmetic number, because the mean of its divisors is an integer number (3040551804).

Almost surely, 2^12149295227 is an apocalyptic number.

12149295227 is a deficient number, since it is larger than the sum of its proper divisors (12911989).

12149295227 is an equidigital number, since it uses as much as digits as its factorization.

12149295227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911988.

The product of its digits is 181440, while the sum is 44.

The spelling of 12149295227 in words is "twelve billion, one hundred forty-nine million, two hundred ninety-five thousand, two hundred twenty-seven".