12159772282 has 12 divisors (see below), whose sum is σ = 21217562010. Its totient is φ = 5211330936.

The previous prime is 12159772277. The next prime is 12159772283. The reversal of 12159772282 is 28227795121.

It can be written as a sum of positive squares in only one way, i.e., 7344661401 + 4815110881 = 85701^2 + 69391^2 .

It is not an unprimeable number, because it can be changed into a prime (12159772283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62039557 + ... + 62039752.

Almost surely, 2^12159772282 is an apocalyptic number.

12159772282 is a deficient number, since it is larger than the sum of its proper divisors (9057789728).

12159772282 is a wasteful number, since it uses less digits than its factorization.

12159772282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124079325 (or 124079318 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The spelling of 12159772282 in words is "twelve billion, one hundred fifty-nine million, seven hundred seventy-two thousand, two hundred eighty-two".