12144211233 has 32 divisors (see below), whose sum is σ = 20568701952. Its totient is φ = 6189643200.

The previous prime is 12144211223. The next prime is 12144211237. The reversal of 12144211233 is 33211244121.

It is not a de Polignac number, because 12144211233 - 2⁴ = 12144211217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12144211237) 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 31 ways as a sum of consecutive naturals, for example, 483723 + ... + 508208.

It is an arithmetic number, because the mean of its divisors is an integer number (642771936).

Almost surely, 2^12144211233 is an apocalyptic number.

It is an amenable number.

12144211233 is a deficient number, since it is larger than the sum of its proper divisors (8424490719).

12144211233 is a wasteful number, since it uses less digits than its factorization.

12144211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992005.

The product of its digits is 1152, while the sum is 24.

Adding to 12144211233 its reverse (33211244121), we get a palindrome (45355455354).

The spelling of 12144211233 in words is "twelve billion, one hundred forty-four million, two hundred eleven thousand, two hundred thirty-three".