12255580214787 has 192 divisors, whose sum is σ = 21190929177600. Its totient is φ = 6161127598080.

The previous prime is 12255580214699. The next prime is 12255580214827. The reversal of 12255580214787 is 78741208555221.

It is a happy number.

It is not a de Polignac number, because 12255580214787 - 2⁷ = 12255580214659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12255580214287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2589387073 + ... + 2589391805.

It is an arithmetic number, because the mean of its divisors is an integer number (110369422800).

Almost surely, 2^{12255580214787} is an apocalyptic number.

12255580214787 is a deficient number, since it is larger than the sum of its proper divisors (8935348962813).

12255580214787 is a wasteful number, since it uses less digits than its factorization.

12255580214787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118 (or 5105 counting only the distinct ones).

The product of its (nonzero) digits is 12544000, while the sum is 57.

The spelling of 12255580214787 in words is "twelve trillion, two hundred fifty-five billion, five hundred eighty million, two hundred fourteen thousand, seven hundred eighty-seven".