12177894128608 has 48 divisors (see below), whose sum is σ = 25819938569376. Its totient is φ = 5620466142720.

The previous prime is 12177894128591. The next prime is 12177894128671. The reversal of 12177894128608 is 80682149877121.

12177894128608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12177894128608² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12177894128608.

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, 26300053 + ... + 26759083.

It is an arithmetic number, because the mean of its divisors is an integer number (537915386862).

Almost surely, 2^{12177894128608} is an apocalyptic number.

It is an amenable number.

12177894128608 is an abundant number, since it is smaller than the sum of its proper divisors (13642044440768).

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

12177894128608 is a wasteful number, since it uses less digits than its factorization.

12177894128608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522827 (or 522819 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 64.

The spelling of 12177894128608 in words is "twelve trillion, one hundred seventy-seven billion, eight hundred ninety-four million, one hundred twenty-eight thousand, six hundred eight".