12144204040020 has 192 divisors, whose sum is σ = 38441413140480. Its totient is φ = 2843879385600.

The previous prime is 12144204040009. The next prime is 12144204040021. The reversal of 12144204040020 is 2004040244121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144204040021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2829666 + ... + 5682905.

It is an arithmetic number, because the mean of its divisors is an integer number (200215693440).

Almost surely, 2^{12144204040020} is an apocalyptic number.

12144204040020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12144204040020 is an abundant number, since it is smaller than the sum of its proper divisors (26297209100460).

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

12144204040020 is a wasteful number, since it uses less digits than its factorization.

12144204040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8512686 (or 8512684 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12144204040020 its reverse (2004040244121), we get a palindrome (14148244284141).

The spelling of 12144204040020 in words is "twelve trillion, one hundred forty-four billion, two hundred four million, forty thousand, twenty".