12017006451408 has 80 divisors (see below), whose sum is σ = 35479418457600. Its totient is φ = 3433368720768.

The previous prime is 12017006451389. The next prime is 12017006451413. The reversal of 12017006451408 is 80415460071021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20389243 + ... + 20970341.

It is an arithmetic number, because the mean of its divisors is an integer number (443492730720).

Almost surely, 2^{12017006451408} is an apocalyptic number.

It is an amenable number.

12017006451408 is an abundant number, since it is smaller than the sum of its proper divisors (23462412006192).

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

12017006451408 is a wasteful number, since it uses less digits than its factorization.

12017006451408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642664 (or 642658 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 12017006451408 in words is "twelve trillion, seventeen billion, six million, four hundred fifty-one thousand, four hundred eight".