12091416225466 has 4 divisors (see below), whose sum is σ = 18137124338202. Its totient is φ = 6045708112732.

The previous prime is 12091416225463. The next prime is 12091416225527. The reversal of 12091416225466 is 66452261419021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8903330984025 + 3188085241441 = 2983845^2 + 1785521^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12091416225463) by changing a digit.

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 as a sum of consecutive naturals, namely, 3022854056365 + ... + 3022854056368.

Almost surely, 2^{12091416225466} is an apocalyptic number.

12091416225466 is a deficient number, since it is larger than the sum of its proper divisors (6045708112736).

12091416225466 is an equidigital number, since it uses as much as digits as its factorization.

12091416225466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045708112735.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 12091416225466 in words is "twelve trillion, ninety-one billion, four hundred sixteen million, two hundred twenty-five thousand, four hundred sixty-six".