12020442224 has 80 divisors (see below), whose sum is σ = 27308633088. Its totient is φ = 5018340096.

The previous prime is 12020442221. The next prime is 12020442227. The reversal of 12020442224 is 42224402021.

It is an interprime number because it is at equal distance from previous prime (12020442221) and next prime (12020442227).

It is a self number, because there is not a number n which added to its sum of digits gives 12020442224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020442221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1908809 + ... + 1915095.

Almost surely, 2^12020442224 is an apocalyptic number.

12020442224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020442224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13654316544).

12020442224 is an abundant number, since it is smaller than the sum of its proper divisors (15288190864).

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

12020442224 is a wasteful number, since it uses less digits than its factorization.

12020442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742 (or 6736 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 12020442224 its reverse (42224402021), we get a palindrome (54244844245).

The spelling of 12020442224 in words is "twelve billion, twenty million, four hundred forty-two thousand, two hundred twenty-four".