12423224112 has 160 divisors (see below), whose sum is σ = 35030966208. Its totient is φ = 3771076608.

The previous prime is 12423224087. The next prime is 12423224171. The reversal of 12423224112 is 21142232421.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16948098 + ... + 16948830.

Almost surely, 2^12423224112 is an apocalyptic number.

12423224112 is a gapful number since it is divisible by the number (12) 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 12423224112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17515483104).

12423224112 is an abundant number, since it is smaller than the sum of its proper divisors (22607742096).

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

12423224112 is a wasteful number, since it uses less digits than its factorization.

12423224112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1081 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 12423224112 its reverse (21142232421), we get a palindrome (33565456533).

The spelling of 12423224112 in words is "twelve billion, four hundred twenty-three million, two hundred twenty-four thousand, one hundred twelve".