12100546645056 has 63 divisors (see below), whose sum is σ = 34684271436373. Its totient is φ = 4033487719680.

The previous prime is 12100546645049. The next prime is 12100546645097. The reversal of 12100546645056 is 65054664500121.

The square root of 12100546645056 is 3478584.

It is a perfect power (a square), and thus also a powerful number.

12100546645056 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 0 + 546 + 6 + 4 + 50 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1286445934656 + 10814100710400 = 1134216^2 + 3288480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83413546 + ... + 83558486.

Almost surely, 2^{12100546645056} is an apocalyptic number.

12100546645056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12100546645056 is the 3478584-th square number.

It is an amenable number.

12100546645056 is an abundant number, since it is smaller than the sum of its proper divisors (22583724791317).

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

12100546645056 is an frugal number, since it uses more digits than its factorization.

12100546645056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289900 (or 144946 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 12100546645056 in words is "twelve trillion, one hundred billion, five hundred forty-six million, six hundred forty-five thousand, fifty-six".