12331427282 has 4 divisors (see below), whose sum is σ = 18497140926. Its totient is φ = 6165713640.

The previous prime is 12331427281. The next prime is 12331427341. The reversal of 12331427282 is 28272413321.

12331427282 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 can be written as a sum of positive squares in only one way, i.e., 11944085521 + 387341761 = 109289^2 + 19681^2 .

It is a super-2 number, since 2×12331427282² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12331427281) 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 as a sum of consecutive naturals, namely, 3082856819 + ... + 3082856822.

Almost surely, 2^12331427282 is an apocalyptic number.

12331427282 is a deficient number, since it is larger than the sum of its proper divisors (6165713644).

12331427282 is an equidigital number, since it uses as much as digits as its factorization.

12331427282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165713643.

The product of its digits is 32256, while the sum is 35.

The spelling of 12331427282 in words is "twelve billion, three hundred thirty-one million, four hundred twenty-seven thousand, two hundred eighty-two".