12020242433144 has 32 divisors (see below), whose sum is σ = 25251369246000. Its totient is φ = 5316077733120.

The previous prime is 12020242433131. The next prime is 12020242433149. The reversal of 12020242433144 is 44133424202021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020242433144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020242433149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845857069 + ... + 1845863580.

Almost surely, 2^{12020242433144} is an apocalyptic number.

It is an amenable number.

12020242433144 is an abundant number, since it is smaller than the sum of its proper divisors (13231126812856).

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

12020242433144 is a wasteful number, since it uses less digits than its factorization.

12020242433144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691720703 (or 3691720699 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 12020242433144 its reverse (44133424202021), we get a palindrome (56153666635165).

The spelling of 12020242433144 in words is "twelve trillion, twenty billion, two hundred forty-two million, four hundred thirty-three thousand, one hundred forty-four".