12240012340 has 48 divisors (see below), whose sum is σ = 26493554304. Its totient is φ = 4747881600.

The previous prime is 12240012289. The next prime is 12240012349. The reversal of 12240012340 is 4321004221.

12240012340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240012349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15967 + ... + 157273.

It is an arithmetic number, because the mean of its divisors is an integer number (551949048).

Almost surely, 2^12240012340 is an apocalyptic number.

12240012340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12240012340 is an abundant number, since it is smaller than the sum of its proper divisors (14253541964).

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

12240012340 is a wasteful number, since it uses less digits than its factorization.

12240012340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141448 (or 141446 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12240012340 its reverse (4321004221), we get a palindrome (16561016561).

The spelling of 12240012340 in words is "twelve billion, two hundred forty million, twelve thousand, three hundred forty".