12054086845 has 4 divisors (see below), whose sum is σ = 14464904220. Its totient is φ = 9643269472.

The previous prime is 12054086833. The next prime is 12054086873. The reversal of 12054086845 is 54868045021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54868045021 = 43 ⋅1276001047.

It can be written as a sum of positive squares in 2 ways, for example, as 7344147204 + 4709939641 = 85698^2 + 68629^2 .

It is a cyclic number.

It is not a de Polignac number, because 12054086845 - 2⁹ = 12054086333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205408680 + ... + 1205408689.

It is an arithmetic number, because the mean of its divisors is an integer number (3616226055).

Almost surely, 2^12054086845 is an apocalyptic number.

It is an amenable number.

12054086845 is a deficient number, since it is larger than the sum of its proper divisors (2410817375).

12054086845 is an equidigital number, since it uses as much as digits as its factorization.

12054086845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410817374.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 12054086845 in words is "twelve billion, fifty-four million, eighty-six thousand, eight hundred forty-five".