12043322011 has 8 divisors (see below), whose sum is σ = 13766315264. Its totient is φ = 10320958440.

The previous prime is 12043322009. The next prime is 12043322033. The reversal of 12043322011 is 11022334021.

It is a happy number.

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 12043322011 - 2¹ = 12043322009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12043322011.

It is not an unprimeable number, because it can be changed into a prime (12043322611) 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, 115695 + ... + 193576.

It is an arithmetic number, because the mean of its divisors is an integer number (1720789408).

Almost surely, 2^12043322011 is an apocalyptic number.

12043322011 is a deficient number, since it is larger than the sum of its proper divisors (1722993253).

12043322011 is an equidigital number, since it uses as much as digits as its factorization.

12043322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314841.

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

Adding to 12043322011 its reverse (11022334021), we get a palindrome (23065656032).

The spelling of 12043322011 in words is "twelve billion, forty-three million, three hundred twenty-two thousand, eleven".