43113440012 has 12 divisors (see below), whose sum is σ = 75505643976. Its totient is φ = 21540398880.

The previous prime is 43113439939. The next prime is 43113440017. The reversal of 43113440012 is 21004431134.

It is a self number, because there is not a number n which added to its sum of digits gives 43113440012.

It is not an unprimeable number, because it can be changed into a prime (43113440017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4074338 + ... + 4084905.

It is an arithmetic number, because the mean of its divisors is an integer number (6292136998).

Almost surely, 2^43113440012 is an apocalyptic number.

It is an amenable number.

43113440012 is a deficient number, since it is larger than the sum of its proper divisors (32392203964).

43113440012 is a wasteful number, since it uses less digits than its factorization.

43113440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160568 (or 8160566 counting only the distinct ones).

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

Adding to 43113440012 its reverse (21004431134), we get a palindrome (64117871146).

The spelling of 43113440012 in words is "forty-three billion, one hundred thirteen million, four hundred forty thousand, twelve".