12087451666266 has 32 divisors (see below), whose sum is σ = 24957909196800. Its totient is φ = 3898682601840.

The previous prime is 12087451666247. The next prime is 12087451666271. The reversal of 12087451666266 is 66266615478021.

It is a super-2 number, since 2×12087451666266² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658526 + ... + 5589513.

It is an arithmetic number, because the mean of its divisors is an integer number (779934662400).

Almost surely, 2^{12087451666266} is an apocalyptic number.

12087451666266 is an abundant number, since it is smaller than the sum of its proper divisors (12870457530534).

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

12087451666266 is a wasteful number, since it uses less digits than its factorization.

12087451666266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255954.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 12087451666266 in words is "twelve trillion, eighty-seven billion, four hundred fifty-one million, six hundred sixty-six thousand, two hundred sixty-six".