12341243520 has 96 divisors (see below), whose sum is σ = 42615876420. Its totient is φ = 3290996736.

The previous prime is 12341243513. The next prime is 12341243539. The reversal of 12341243520 is 2534214321.

12341243520 is a `hidden beast` number, since 12 + 3 + 4 + 124 + 3 + 520 = 666.

12341243520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12331658304 + 9585216 = 111048^2 + 3096^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1065529 + ... + 1077048.

Almost surely, 2^12341243520 is an apocalyptic number.

12341243520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12341243520 is an abundant number, since it is smaller than the sum of its proper divisors (30274632900).

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

12341243520 is a wasteful number, since it uses less digits than its factorization.

12341243520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142602 (or 2142587 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12341243520 its reverse (2534214321), we get a palindrome (14875457841).

The spelling of 12341243520 in words is "twelve billion, three hundred forty-one million, two hundred forty-three thousand, five hundred twenty".