12012487701688 has 16 divisors (see below), whose sum is σ = 22641338079360. Its totient is φ = 5974797547200.

The previous prime is 12012487701667. The next prime is 12012487701689. The reversal of 12012487701688 is 88610778421021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012487701689) 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, 3930786333 + ... + 3930789388.

It is an arithmetic number, because the mean of its divisors is an integer number (1415083629960).

Almost surely, 2^{12012487701688} is an apocalyptic number.

It is an amenable number.

12012487701688 is a deficient number, since it is larger than the sum of its proper divisors (10628850377672).

12012487701688 is a wasteful number, since it uses less digits than its factorization.

12012487701688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861575918 (or 7861575914 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 12012487701688 in words is "twelve trillion, twelve billion, four hundred eighty-seven million, seven hundred one thousand, six hundred eighty-eight".