12031020222 has 64 divisors (see below), whose sum is σ = 26397848064. Its totient is φ = 3632999040.

The previous prime is 12031020217. The next prime is 12031020227. The reversal of 12031020222 is 22202013021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12031020217) and next prime (12031020227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031020227) 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 in 31 ways as a sum of consecutive naturals, for example, 1443447 + ... + 1451757.

It is an arithmetic number, because the mean of its divisors is an integer number (412466376).

Almost surely, 2^12031020222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031020222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13198924032).

12031020222 is an abundant number, since it is smaller than the sum of its proper divisors (14366827842).

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

12031020222 is a wasteful number, since it uses less digits than its factorization.

12031020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8673.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12031020222 its reverse (22202013021), we get a palindrome (34233033243).

The spelling of 12031020222 in words is "twelve billion, thirty-one million, twenty thousand, two hundred twenty-two".