12243240144 has 60 divisors (see below), whose sum is σ = 34649093700. Its totient is φ = 4035220992.

The previous prime is 12243240091. The next prime is 12243240157. The reversal of 12243240144 is 44104234221.

12243240144 is a `hidden beast` number, since 1 + 224 + 32 + 401 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2019603600 + 10223636544 = 44940^2 + 101112^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 464839 + ... + 490470.

It is an arithmetic number, because the mean of its divisors is an integer number (577484895).

Almost surely, 2^12243240144 is an apocalyptic number.

It is an amenable number.

12243240144 is an abundant number, since it is smaller than the sum of its proper divisors (22405853556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243240144 is a wasteful number, since it uses less digits than its factorization.

12243240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955412 (or 955403 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12243240144 its reverse (44104234221), we get a palindrome (56347474365).

The spelling of 12243240144 in words is "twelve billion, two hundred forty-three million, two hundred forty thousand, one hundred forty-four".