43012112241 has 36 divisors (see below), whose sum is σ = 67640286672. Its totient is φ = 24241218624.

The previous prime is 43012112183. The next prime is 43012112261. The reversal of 43012112241 is 14221121034.

It is not a de Polignac number, because 43012112241 - 2²¹ = 43010015089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (43012112261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 755910 + ... + 810816.

It is an arithmetic number, because the mean of its divisors is an integer number (1878896852).

Almost surely, 2^43012112241 is an apocalyptic number.

It is an amenable number.

43012112241 is a deficient number, since it is larger than the sum of its proper divisors (24628174431).

43012112241 is an equidigital number, since it uses as much as digits as its factorization.

43012112241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55070 (or 54990 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 43012112241 its reverse (14221121034), we get a palindrome (57233233275).

The spelling of 43012112241 in words is "forty-three billion, twelve million, one hundred twelve thousand, two hundred forty-one".