12245564833 has 4 divisors (see below), whose sum is σ = 12544237188. Its totient is φ = 11946892480.

The previous prime is 12245564791. The next prime is 12245564843. The reversal of 12245564833 is 33846554221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33846554221 = 14797 ⋅2287393.

It can be written as a sum of positive squares in 2 ways, for example, as 6305471649 + 5940093184 = 79407^2 + 77072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12245564833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12245564833.

It is not an unprimeable number, because it can be changed into a prime (12245564843) 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 3 ways as a sum of consecutive naturals, for example, 149336116 + ... + 149336197.

It is an arithmetic number, because the mean of its divisors is an integer number (3136059297).

Almost surely, 2^12245564833 is an apocalyptic number.

It is an amenable number.

12245564833 is a deficient number, since it is larger than the sum of its proper divisors (298672355).

12245564833 is an equidigital number, since it uses as much as digits as its factorization.

12245564833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298672354.

The product of its digits is 691200, while the sum is 43.

The spelling of 12245564833 in words is "twelve billion, two hundred forty-five million, five hundred sixty-four thousand, eight hundred thirty-three".