12002866168638 has 16 divisors (see below), whose sum is σ = 24012725018256. Its totient is φ = 3999789942720.

The previous prime is 12002866168619. The next prime is 12002866168651. The reversal of 12002866168638 is 83686166820021.

It is a super-2 number, since 2×12002866168638² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 291339393 + ... + 291380588.

It is an arithmetic number, because the mean of its divisors is an integer number (1500795313641).

Almost surely, 2^{12002866168638} is an apocalyptic number.

12002866168638 is an abundant number, since it is smaller than the sum of its proper divisors (12009858849618).

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

12002866168638 is a wasteful number, since it uses less digits than its factorization.

12002866168638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582723419.

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 12002866168638 in words is "twelve trillion, two billion, eight hundred sixty-six million, one hundred sixty-eight thousand, six hundred thirty-eight".