12078621082008 has 48 divisors (see below), whose sum is σ = 35229311491920. Its totient is φ = 3716498794176.

The previous prime is 12078621081979. The next prime is 12078621082009. The reversal of 12078621082008 is 80028012687021.

It is a happy number.

12078621082008 is a `hidden beast` number, since 12 + 0 + 7 + 8 + 621 + 0 + 8 + 2 + 0 + 0 + 8 = 666.

12078621082008 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 2×12078621082008² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078621082009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6452253916 + ... + 6452255787.

It is an arithmetic number, because the mean of its divisors is an integer number (733943989415).

Almost surely, 2^{12078621082008} is an apocalyptic number.

12078621082008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12078621082008 is an abundant number, since it is smaller than the sum of its proper divisors (23150690409912).

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

12078621082008 is a wasteful number, since it uses less digits than its factorization.

12078621082008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12904509728 (or 12904509721 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 12078621082008 in words is "twelve trillion, seventy-eight billion, six hundred twenty-one million, eighty-two thousand, eight".