12135758568 has 16 divisors (see below), whose sum is σ = 30339396480. Its totient is φ = 4045252848.

The previous prime is 12135758543. The next prime is 12135758629. The reversal of 12135758568 is 86585753121.

It is a self number, because there is not a number n which added to its sum of digits gives 12135758568.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 252828280 + ... + 252828327.

It is an arithmetic number, because the mean of its divisors is an integer number (1896212280).

Almost surely, 2^12135758568 is an apocalyptic number.

It is an amenable number.

12135758568 is an abundant number, since it is smaller than the sum of its proper divisors (18203637912).

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

12135758568 is a wasteful number, since it uses less digits than its factorization.

12135758568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505656616 (or 505656612 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 51.

The spelling of 12135758568 in words is "twelve billion, one hundred thirty-five million, seven hundred fifty-eight thousand, five hundred sixty-eight".