12188588064 has 48 divisors (see below), whose sum is σ = 32002850880. Its totient is φ = 4061871360.

The previous prime is 12188588021. The next prime is 12188588119. The reversal of 12188588064 is 46088588121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12188587998 and 12188588016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453597 + ... + 479715.

It is an arithmetic number, because the mean of its divisors is an integer number (666726060).

Almost surely, 2^12188588064 is an apocalyptic number.

It is an amenable number.

12188588064 is an abundant number, since it is smaller than the sum of its proper divisors (19814262816).

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

12188588064 is a wasteful number, since it uses less digits than its factorization.

12188588064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30993 (or 30985 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 51.

The spelling of 12188588064 in words is "twelve billion, one hundred eighty-eight million, five hundred eighty-eight thousand, sixty-four".