12355064005240 has 64 divisors (see below), whose sum is σ = 31644590837760. Its totient is φ = 4297413563520.

The previous prime is 12355064005187. The next prime is 12355064005241. The reversal of 12355064005240 is 4250046055321.

It is a self number, because there is not a number n which added to its sum of digits gives 12355064005240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355064005241) 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, 610417944 + ... + 610438183.

It is an arithmetic number, because the mean of its divisors is an integer number (494446731840).

Almost surely, 2^{12355064005240} is an apocalyptic number.

12355064005240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12355064005240 is an abundant number, since it is smaller than the sum of its proper divisors (19289526832520).

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

12355064005240 is a wasteful number, since it uses less digits than its factorization.

12355064005240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220856172 (or 1220856168 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 12355064005240 in words is "twelve trillion, three hundred fifty-five billion, sixty-four million, five thousand, two hundred forty".