12147000771 has 8 divisors (see below), whose sum is σ = 16470509760. Its totient is φ = 7960746152.

The previous prime is 12147000763. The next prime is 12147000779. The reversal of 12147000771 is 17700074121.

It is an interprime number because it is at equal distance from previous prime (12147000763) and next prime (12147000779).

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 12147000771 - 2³ = 12147000763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12147000779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34313385 + ... + 34313738.

It is an arithmetic number, because the mean of its divisors is an integer number (2058813720).

Almost surely, 2^12147000771 is an apocalyptic number.

12147000771 is a deficient number, since it is larger than the sum of its proper divisors (4323508989).

12147000771 is an equidigital number, since it uses as much as digits as its factorization.

12147000771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68627185.

The product of its (nonzero) digits is 2744, while the sum is 30.

Adding to 12147000771 its reverse (17700074121), we get a palindrome (29847074892).

The spelling of 12147000771 in words is "twelve billion, one hundred forty-seven million, seven hundred seventy-one", and thus it is an aban number.