12655282243 has 4 divisors (see below), whose sum is σ = 12662040808. Its totient is φ = 12648523680.

The previous prime is 12655282229. The next prime is 12655282259. The reversal of 12655282243 is 34228255621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12655282243 is a prime.

It is a super-2 number, since 2×12655282243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12655282196 and 12655282205.

It is not an unprimeable number, because it can be changed into a prime (12655282543) 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 3 ways as a sum of consecutive naturals, for example, 3376473 + ... + 3380218.

It is an arithmetic number, because the mean of its divisors is an integer number (3165510202).

Almost surely, 2^12655282243 is an apocalyptic number.

12655282243 is a deficient number, since it is larger than the sum of its proper divisors (6758565).

12655282243 is an equidigital number, since it uses as much as digits as its factorization.

12655282243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758564.

The product of its digits is 230400, while the sum is 40.

The spelling of 12655282243 in words is "twelve billion, six hundred fifty-five million, two hundred eighty-two thousand, two hundred forty-three".