12120234224 has 20 divisors (see below), whose sum is σ = 26837661744. Its totient is φ = 5194386048.

The previous prime is 12120234221. The next prime is 12120234361. The reversal of 12120234224 is 42243202121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120234224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120234221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54108077 + ... + 54108300.

Almost surely, 2^12120234224 is an apocalyptic number.

12120234224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12120234224 is an abundant number, since it is smaller than the sum of its proper divisors (14717427520).

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

12120234224 is a wasteful number, since it uses less digits than its factorization.

12120234224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108216392 (or 108216386 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12120234224 its reverse (42243202121), we get a palindrome (54363436345).

The spelling of 12120234224 in words is "twelve billion, one hundred twenty million, two hundred thirty-four thousand, two hundred twenty-four".