12031013022 has 192 divisors, whose sum is σ = 30005821440. Its totient is φ = 3200601600.

The previous prime is 12031013011. The next prime is 12031013023. The reversal of 12031013022 is 22031013021.

12031013022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12031012992 and 12031013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031013023) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 44394747 + ... + 44395017.

It is an arithmetic number, because the mean of its divisors is an integer number (156280320).

Almost surely, 2^12031013022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031013022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15002910720).

12031013022 is an abundant number, since it is smaller than the sum of its proper divisors (17974808418).

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

12031013022 is a wasteful number, since it uses less digits than its factorization.

12031013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12031013022 its reverse (22031013021), we get a palindrome (34062026043).

Subtracting 12031013022 from its reverse (22031013021), we obtain a palindrome (9999999999).

The spelling of 12031013022 in words is "twelve billion, thirty-one million, thirteen thousand, twenty-two".