12424231212 has 96 divisors (see below), whose sum is σ = 30647844864. Its totient is φ = 3912148800.

The previous prime is 12424231199. The next prime is 12424231219. The reversal of 12424231212 is 21213242421.

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

It is not an unprimeable number, because it can be changed into a prime (12424231219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2718153 + ... + 2722719.

It is an arithmetic number, because the mean of its divisors is an integer number (319248384).

Almost surely, 2^12424231212 is an apocalyptic number.

12424231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12424231212 is an abundant number, since it is smaller than the sum of its proper divisors (18223613652).

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

12424231212 is a wasteful number, since it uses less digits than its factorization.

12424231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779 (or 4777 counting only the distinct ones).

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

Adding to 12424231212 its reverse (21213242421), we get a palindrome (33637473633).

The spelling of 12424231212 in words is "twelve billion, four hundred twenty-four million, two hundred thirty-one thousand, two hundred twelve".