12240354512344 has 64 divisors (see below), whose sum is σ = 26380251555840. Its totient is φ = 5215695338880.

The previous prime is 12240354512341. The next prime is 12240354512383. The reversal of 12240354512344 is 44321545304221.

It is a junction number, because it is equal to n+sod(n) for n = 12240354512297 and 12240354512306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240354512341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45101677 + ... + 45372259.

It is an arithmetic number, because the mean of its divisors is an integer number (412191430560).

Almost surely, 2^{12240354512344} is an apocalyptic number.

12240354512344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12240354512344 is an abundant number, since it is smaller than the sum of its proper divisors (14139897043496).

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

12240354512344 is a wasteful number, since it uses less digits than its factorization.

12240354512344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275240 (or 275236 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 12240354512344 its reverse (44321545304221), we get a palindrome (56561899816565).

The spelling of 12240354512344 in words is "twelve trillion, two hundred forty billion, three hundred fifty-four million, five hundred twelve thousand, three hundred forty-four".