12443422124 has 24 divisors (see below), whose sum is σ = 25115170080. Its totient is φ = 5283968256.

The previous prime is 12443422111. The next prime is 12443422133. The reversal of 12443422124 is 42122434421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035517 + ... + 2041620.

It is an arithmetic number, because the mean of its divisors is an integer number (1046465420).

Almost surely, 2^12443422124 is an apocalyptic number.

12443422124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12443422124 is an abundant number, since it is smaller than the sum of its proper divisors (12671747956).

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

12443422124 is a wasteful number, since it uses less digits than its factorization.

12443422124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077257 (or 4077255 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

Adding to 12443422124 its reverse (42122434421), we get a palindrome (54565856545).

The spelling of 12443422124 in words is "twelve billion, four hundred forty-three million, four hundred twenty-two thousand, one hundred twenty-four".