12245551332244 has 24 divisors (see below), whose sum is σ = 21439890906336. Its totient is φ = 6119868612000.

The previous prime is 12245551332239. The next prime is 12245551332247. The reversal of 12245551332244 is 44223315554221.

It is a self number, because there is not a number n which added to its sum of digits gives 12245551332244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245551332247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150006999 + ... + 150088609.

It is an arithmetic number, because the mean of its divisors is an integer number (893328787764).

Almost surely, 2^{12245551332244} is an apocalyptic number.

It is an amenable number.

12245551332244 is a deficient number, since it is larger than the sum of its proper divisors (9194339574092).

12245551332244 is a wasteful number, since it uses less digits than its factorization.

12245551332244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98967 (or 98965 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

Adding to 12245551332244 its reverse (44223315554221), we get a palindrome (56468866886465).

The spelling of 12245551332244 in words is "twelve trillion, two hundred forty-five billion, five hundred fifty-one million, three hundred thirty-two thousand, two hundred forty-four".