12341140454240 has 96 divisors (see below), whose sum is σ = 31638394773216. Its totient is φ = 4521944494080.

The previous prime is 12341140454191. The next prime is 12341140454243. The reversal of 12341140454240 is 4245404114321.

It is a super-2 number, since 2×12341140454240² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12341140454240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12341140454243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22373477 + ... + 22918436.

It is an arithmetic number, because the mean of its divisors is an integer number (329566612221).

Almost surely, 2^{12341140454240} is an apocalyptic number.

12341140454240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12341140454240 is an abundant number, since it is smaller than the sum of its proper divisors (19297254318976).

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

12341140454240 is a wasteful number, since it uses less digits than its factorization.

12341140454240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45292072 (or 45292064 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 12341140454240 its reverse (4245404114321), we get a palindrome (16586544568561).

The spelling of 12341140454240 in words is "twelve trillion, three hundred forty-one billion, one hundred forty million, four hundred fifty-four thousand, two hundred forty".