12242143404244 has 12 divisors (see below), whose sum is σ = 23071731800404. Its totient is φ = 5650220032704.

The previous prime is 12242143404241. The next prime is 12242143404347. The reversal of 12242143404244 is 44240434124221.

It can be written as a sum of positive squares in 2 ways, for example, as 2460386747844 + 9781756656400 = 1568562^2 + 3127580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242143404241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117712917297 + ... + 117712917400.

Almost surely, 2^{12242143404244} is an apocalyptic number.

It is an amenable number.

12242143404244 is a deficient number, since it is larger than the sum of its proper divisors (10829588396160).

12242143404244 is a wasteful number, since it uses less digits than its factorization.

12242143404244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235425834714 (or 235425834712 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 12242143404244 its reverse (44240434124221), we get a palindrome (56482577528465).

The spelling of 12242143404244 in words is "twelve trillion, two hundred forty-two billion, one hundred forty-three million, four hundred four thousand, two hundred forty-four".