43212542241 has 16 divisors (see below), whose sum is σ = 62982643968. Its totient is φ = 26136070800.

The previous prime is 43212542207. The next prime is 43212542257. The reversal of 43212542241 is 14224521234.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-43212542241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43212542199 and 43212542208.

It is not an unprimeable number, because it can be changed into a prime (43212542201) 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, 1317271 + ... + 1349676.

It is an arithmetic number, because the mean of its divisors is an integer number (3936415248).

Almost surely, 2^43212542241 is an apocalyptic number.

It is an amenable number.

43212542241 is a deficient number, since it is larger than the sum of its proper divisors (19770101727).

43212542241 is a wasteful number, since it uses less digits than its factorization.

43212542241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667452.

The product of its digits is 15360, while the sum is 30.

The spelling of 43212542241 in words is "forty-three billion, two hundred twelve million, five hundred forty-two thousand, two hundred forty-one".