12342440412 has 72 divisors (see below), whose sum is σ = 33349548960. Its totient is φ = 3839278080.

The previous prime is 12342440401. The next prime is 12342440441. The reversal of 12342440412 is 21404424321.

12342440412 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 244 + 0 + 412 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147837 + ... + 215732.

It is an arithmetic number, because the mean of its divisors is an integer number (463188180).

Almost surely, 2^12342440412 is an apocalyptic number.

12342440412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12342440412 is an abundant number, since it is smaller than the sum of its proper divisors (21007108548).

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

12342440412 is a wasteful number, since it uses less digits than its factorization.

12342440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363643 (or 363638 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12342440412 its reverse (21404424321), we get a palindrome (33746864733).

The spelling of 12342440412 in words is "twelve billion, three hundred forty-two million, four hundred forty thousand, four hundred twelve".