12117275056000 has 64 divisors (see below), whose sum is σ = 30126575147760. Its totient is φ = 4846910016000.

The previous prime is 12117275055983. The next prime is 12117275056001. The reversal of 12117275056000 is 65057271121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117275056001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378648846 + ... + 378680845.

Almost surely, 2^{12117275056000} is an apocalyptic number.

12117275056000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12117275056000 is an abundant number, since it is smaller than the sum of its proper divisors (18009300091760).

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

12117275056000 is an frugal number, since it uses more digits than its factorization.

12117275056000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757329720 (or 757329698 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 12117275056000 in words is "twelve trillion, one hundred seventeen billion, two hundred seventy-five million, fifty-six thousand".