12422124 has 144 divisors (see below), whose sum is σ = 39137280. Its totient is φ = 3265920.

The previous prime is 12422119. The next prime is 12422129. The reversal of 12422124 is 42122421.

It is an interprime number because it is at equal distance from previous prime (12422119) and next prime (12422129).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12422097 and 12422106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97749 + ... + 97875.

Almost surely, 2^12422124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19568640).

12422124 is an abundant number, since it is smaller than the sum of its proper divisors (26715156).

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

12422124 is a wasteful number, since it uses less digits than its factorization.

12422124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 175 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 12422124 is about 3524.5033692706. The cubic root of 12422124 is about 231.5964794940.

Adding to 12422124 its reverse (42122421), we get a palindrome (54544545).

The spelling of 12422124 in words is "twelve million, four hundred twenty-two thousand, one hundred twenty-four".