43113220012 has 6 divisors (see below), whose sum is σ = 75448135028. Its totient is φ = 21556610004.

The previous prime is 43113220009. The next prime is 43113220013. The reversal of 43113220012 is 21002231134.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43113220013) 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 as a sum of consecutive naturals, namely, 5389152498 + ... + 5389152505.

Almost surely, 2^43113220012 is an apocalyptic number.

It is an amenable number.

43113220012 is a deficient number, since it is larger than the sum of its proper divisors (32334915016).

43113220012 is a wasteful number, since it uses less digits than its factorization.

43113220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778305007 (or 10778305005 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 43113220012 its reverse (21002231134), we get a palindrome (64115451146).

The spelling of 43113220012 in words is "forty-three billion, one hundred thirteen million, two hundred twenty thousand, twelve".