12043332243420 has 24 divisors (see below), whose sum is σ = 33721330281744. Its totient is φ = 3211555264896.

The previous prime is 12043332243317. The next prime is 12043332243557. The reversal of 12043332243420 is 2434223334021.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 100361101969 + ... + 100361102088.

It is an arithmetic number, because the mean of its divisors is an integer number (1405055428406).

Almost surely, 2^{12043332243420} is an apocalyptic number.

12043332243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12043332243420 is an abundant number, since it is smaller than the sum of its proper divisors (21677998038324).

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

12043332243420 is a wasteful number, since it uses less digits than its factorization.

12043332243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200722204069 (or 200722204067 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 12043332243420 its reverse (2434223334021), we get a palindrome (14477555577441).

The spelling of 12043332243420 in words is "twelve trillion, forty-three billion, three hundred thirty-two million, two hundred forty-three thousand, four hundred twenty".