43241213021 has 8 divisors (see below), whose sum is σ = 44413524480. Its totient is φ = 42069092688.

The previous prime is 43241213017. The next prime is 43241213027. The reversal of 43241213021 is 12031214234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43241213021 - 2² = 43241213017 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 (43241213027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492500 + ... + 573618.

It is an arithmetic number, because the mean of its divisors is an integer number (5551690560).

Almost surely, 2^43241213021 is an apocalyptic number.

It is an amenable number.

43241213021 is a deficient number, since it is larger than the sum of its proper divisors (1172311459).

43241213021 is a wasteful number, since it uses less digits than its factorization.

43241213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95563.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 43241213021 its reverse (12031214234), we get a palindrome (55272427255).

The spelling of 43241213021 in words is "forty-three billion, two hundred forty-one million, two hundred thirteen thousand, twenty-one".