12108521751888 has 40 divisors (see below), whose sum is σ = 31297066609536. Its totient is φ = 4034016659200.

The previous prime is 12108521751883. The next prime is 12108521751901. The reversal of 12108521751888 is 88815712580121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108521751883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67323573 + ... + 67503188.

Almost surely, 2^{12108521751888} is an apocalyptic number.

It is an amenable number.

12108521751888 is an abundant number, since it is smaller than the sum of its proper divisors (19188544857648).

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

12108521751888 is a wasteful number, since it uses less digits than its factorization.

12108521751888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134828643 (or 134828637 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 57.

The spelling of 12108521751888 in words is "twelve trillion, one hundred eight billion, five hundred twenty-one million, seven hundred fifty-one thousand, eight hundred eighty-eight".