12942443043612 has 144 divisors (see below), whose sum is σ = 35944329893472. Its totient is φ = 4057967185920.

The previous prime is 12942443043601. The next prime is 12942443043617. The reversal of 12942443043612 is 21634034424921.

12942443043612 is a `hidden beast` number, since 1 + 2 + 9 + 4 + 24 + 4 + 3 + 0 + 4 + 3 + 612 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942443043617) 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 47 ways as a sum of consecutive naturals, for example, 27743812 + ... + 28206452.

It is an arithmetic number, because the mean of its divisors is an integer number (249613402038).

Almost surely, 2^{12942443043612} is an apocalyptic number.

12942443043612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12942443043612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17972164946736).

12942443043612 is an abundant number, since it is smaller than the sum of its proper divisors (23001886849860).

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

12942443043612 is a wasteful number, since it uses less digits than its factorization.

12942443043612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464370 (or 464356 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 12942443043612 in words is "twelve trillion, nine hundred forty-two billion, four hundred forty-three million, forty-three thousand, six hundred twelve".