12887507769580 has 12 divisors (see below), whose sum is σ = 27063766316160. Its totient is φ = 5155003107824.

The previous prime is 12887507769497. The next prime is 12887507769583. The reversal of 12887507769580 is 8596770578821.

It is not an unprimeable number, because it can be changed into a prime (12887507769583) 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 3 ways as a sum of consecutive naturals, for example, 322187694220 + ... + 322187694259.

It is an arithmetic number, because the mean of its divisors is an integer number (2255313859680).

Almost surely, 2^{12887507769580} is an apocalyptic number.

12887507769580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12887507769580 is an abundant number, since it is smaller than the sum of its proper divisors (14176258546580).

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

12887507769580 is a wasteful number, since it uses less digits than its factorization.

12887507769580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644375388488 (or 644375388486 counting only the distinct ones).

The product of its (nonzero) digits is 474163200, while the sum is 73.

The spelling of 12887507769580 in words is "twelve trillion, eight hundred eighty-seven billion, five hundred seven million, seven hundred sixty-nine thousand, five hundred eighty".