12023240412 has 36 divisors (see below), whose sum is σ = 29801558360. Its totient is φ = 3771995904.

The previous prime is 12023240387. The next prime is 12023240417. The reversal of 12023240412 is 21404232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023240417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1729987 + ... + 1736922.

Almost surely, 2^12023240412 is an apocalyptic number.

12023240412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12023240412 is an abundant number, since it is smaller than the sum of its proper divisors (17778317948).

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

12023240412 is a wasteful number, since it uses less digits than its factorization.

12023240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466950 (or 3466931 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12023240412 its reverse (21404232021), we get a palindrome (33427472433).

The spelling of 12023240412 in words is "twelve billion, twenty-three million, two hundred forty thousand, four hundred twelve".