12791019227 has 8 divisors (see below), whose sum is σ = 14628768000. Its totient is φ = 10955885544.

The previous prime is 12791019173. The next prime is 12791019247. The reversal of 12791019227 is 72291019721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12791019227 - 2⁸ = 12791018971 is a prime.

It is a super-2 number, since 2×12791019227² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12791019247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643277 + ... + 662862.

It is an arithmetic number, because the mean of its divisors is an integer number (1828596000).

Almost surely, 2^12791019227 is an apocalyptic number.

12791019227 is a deficient number, since it is larger than the sum of its proper divisors (1837748773).

12791019227 is a wasteful number, since it uses less digits than its factorization.

12791019227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307545.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 12791019227 in words is "twelve billion, seven hundred ninety-one million, nineteen thousand, two hundred twenty-seven".