43412242021 has 16 divisors (see below), whose sum is σ = 44018956800. Its totient is φ = 42810586560.

The previous prime is 43412242001. The next prime is 43412242051. The reversal of 43412242021 is 12024221434.

43412242021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43412242021 - 2¹¹ = 43412239973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43412242001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23812716 + ... + 23814538.

It is an arithmetic number, because the mean of its divisors is an integer number (2751184800).

Almost surely, 2^43412242021 is an apocalyptic number.

It is an amenable number.

43412242021 is a deficient number, since it is larger than the sum of its proper divisors (606714779).

43412242021 is a wasteful number, since it uses less digits than its factorization.

43412242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 43412242021 its reverse (12024221434), we get a palindrome (55436463455).

The spelling of 43412242021 in words is "forty-three billion, four hundred twelve million, two hundred forty-two thousand, twenty-one".