12500083878266 has 8 divisors (see below), whose sum is σ = 19256885974740. Its totient is φ = 6081121886688.

The previous prime is 12500083878263. The next prime is 12500083878287. The reversal of 12500083878266 is 66287838000521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12385718842225 + 114365036041 = 3519335^2 + 338179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12500083878263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84460026131 + ... + 84460026278.

Almost surely, 2^{12500083878266} is an apocalyptic number.

12500083878266 is a deficient number, since it is larger than the sum of its proper divisors (6756802096474).

12500083878266 is a wasteful number, since it uses less digits than its factorization.

12500083878266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168920052448.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 12500083878266 in words is "twelve trillion, five hundred billion, eighty-three million, eight hundred seventy-eight thousand, two hundred sixty-six".