12136446211 has 4 divisors (see below), whose sum is σ = 12137690800. Its totient is φ = 12135201624.

The previous prime is 12136446199. The next prime is 12136446229. The reversal of 12136446211 is 11264463121.

12136446211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12136446211 - 2¹¹ = 12136444163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12136446281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607551 + ... + 627208.

It is an arithmetic number, because the mean of its divisors is an integer number (3034422700).

Almost surely, 2^12136446211 is an apocalyptic number.

12136446211 is a deficient number, since it is larger than the sum of its proper divisors (1244589).

12136446211 is an equidigital number, since it uses as much as digits as its factorization.

12136446211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244588.

The product of its digits is 6912, while the sum is 31.

The spelling of 12136446211 in words is "twelve billion, one hundred thirty-six million, four hundred forty-six thousand, two hundred eleven".