12497776714566 has 320 divisors, whose sum is σ = 33834522306816. Its totient is φ = 3397830508800.

The previous prime is 12497776714519. The next prime is 12497776714607. The reversal of 12497776714566 is 66541767779421.

12497776714566 is a `hidden beast` number, since 1 + 2 + 49 + 7 + 7 + 7 + 6 + 7 + 14 + 566 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12497776714494 and 12497776714503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 131326821 + ... + 131421951.

Almost surely, 2^{12497776714566} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12497776714566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16917261153408).

12497776714566 is an abundant number, since it is smaller than the sum of its proper divisors (21336745592250).

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

12497776714566 is a wasteful number, since it uses less digits than its factorization.

12497776714566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95329 (or 95320 counting only the distinct ones).

The product of its digits is 746807040, while the sum is 72.

The spelling of 12497776714566 in words is "twelve trillion, four hundred ninety-seven billion, seven hundred seventy-six million, seven hundred fourteen thousand, five hundred sixty-six".