12040043343220 has 12 divisors (see below), whose sum is σ = 25284091020804. Its totient is φ = 4816017337280.

The previous prime is 12040043343197. The next prime is 12040043343239. The reversal of 12040043343220 is 2234334004021.

12040043343220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3082784477796 + 8957258865424 = 1755786^2 + 2992868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301001083561 + ... + 301001083600.

It is an arithmetic number, because the mean of its divisors is an integer number (2107007585067).

Almost surely, 2^{12040043343220} is an apocalyptic number.

12040043343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040043343220 is an abundant number, since it is smaller than the sum of its proper divisors (13244047677584).

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

12040043343220 is a wasteful number, since it uses less digits than its factorization.

12040043343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602002167170 (or 602002167168 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12040043343220 its reverse (2234334004021), we get a palindrome (14274377347241).

The spelling of 12040043343220 in words is "twelve trillion, forty billion, forty-three million, three hundred forty-three thousand, two hundred twenty".