12152440211 has 4 divisors (see below), whose sum is σ = 12198647472. Its totient is φ = 12106232952.

The previous prime is 12152440199. The next prime is 12152440213. The reversal of 12152440211 is 11204425121.

12152440211 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, and also an emirpimes, since its reverse is a distinct semiprime: 11204425121 = 16979 ⋅659899.

It is a de Polignac number, because none of the positive numbers 2^k-12152440211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152440213) 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, 23103236 + ... + 23103761.

It is an arithmetic number, because the mean of its divisors is an integer number (3049661868).

Almost surely, 2^12152440211 is an apocalyptic number.

12152440211 is a deficient number, since it is larger than the sum of its proper divisors (46207261).

12152440211 is an equidigital number, since it uses as much as digits as its factorization.

12152440211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46207260.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12152440211 its reverse (11204425121), we get a palindrome (23356865332).

The spelling of 12152440211 in words is "twelve billion, one hundred fifty-two million, four hundred forty thousand, two hundred eleven".