12142223324 has 96 divisors (see below), whose sum is σ = 27965952000. Its totient is φ = 4567442880.

The previous prime is 12142223323. The next prime is 12142223329. The reversal of 12142223324 is 42332224121.

It is a junction number, because it is equal to n+sod(n) for n = 12142223293 and 12142223302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142223323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423797 + ... + 451539.

It is an arithmetic number, because the mean of its divisors is an integer number (291312000).

Almost surely, 2^12142223324 is an apocalyptic number.

12142223324 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 12142223324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13982976000).

12142223324 is an abundant number, since it is smaller than the sum of its proper divisors (15823728676).

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

12142223324 is a wasteful number, since it uses less digits than its factorization.

12142223324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27808 (or 27792 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 12142223324 its reverse (42332224121), we get a palindrome (54474447445).

The spelling of 12142223324 in words is "twelve billion, one hundred forty-two million, two hundred twenty-three thousand, three hundred twenty-four".