12043421022 has 16 divisors (see below), whose sum is σ = 24090900480. Its totient is φ = 4013797272.

The previous prime is 12043421017. The next prime is 12043421041. The reversal of 12043421022 is 22012434021.

12043421022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12043421022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129822 + ... + 202337.

It is an arithmetic number, because the mean of its divisors is an integer number (1505681280).

Almost surely, 2^12043421022 is an apocalyptic number.

12043421022 is an abundant number, since it is smaller than the sum of its proper divisors (12047479458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12043421022 is a wasteful number, since it uses less digits than its factorization.

12043421022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338207.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12043421022 its reverse (22012434021), we get a palindrome (34055855043).

The spelling of 12043421022 in words is "twelve billion, forty-three million, four hundred twenty-one thousand, twenty-two".