12424123012 has 12 divisors (see below), whose sum is σ = 24848246080. Its totient is φ = 5324624136.

The previous prime is 12424122979. The next prime is 12424123013. The reversal of 12424123012 is 21032142421.

12424123012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12424123013) 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, 221859312 + ... + 221859367.

Almost surely, 2^12424123012 is an apocalyptic number.

It is an amenable number.

12424123012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12424123012 is a wasteful number, since it uses less digits than its factorization.

12424123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443718690 (or 443718688 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12424123012 its reverse (21032142421), we get a palindrome (33456265433).

The spelling of 12424123012 in words is "twelve billion, four hundred twenty-four million, one hundred twenty-three thousand, twelve".