12144434211 has 48 divisors (see below), whose sum is σ = 22860137664. Its totient is φ = 6029033472.

The previous prime is 12144434207. The next prime is 12144434219. The reversal of 12144434211 is 11243444121.

12144434211 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 443 + 4 + 211 = 666.

It is not a de Polignac number, because 12144434211 - 2² = 12144434207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12144434219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422206 + ... + 450051.

It is an arithmetic number, because the mean of its divisors is an integer number (476252868).

Almost surely, 2^12144434211 is an apocalyptic number.

12144434211 is a deficient number, since it is larger than the sum of its proper divisors (10715703453).

12144434211 is a wasteful number, since it uses less digits than its factorization.

12144434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872300 (or 872297 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 12144434211 its reverse (11243444121), we get a palindrome (23387878332).

The spelling of 12144434211 in words is "twelve billion, one hundred forty-four million, four hundred thirty-four thousand, two hundred eleven".