12144433229 has 2 divisors, whose sum is σ = 12144433230. Its totient is φ = 12144433228.

The previous prime is 12144433201. The next prime is 12144433261. The reversal of 12144433229 is 92233444121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11962453129 + 181980100 = 109373^2 + 13490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12144433229 is a prime.

It is a super-3 number, since 3×12144433229³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144033229) 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 as a sum of consecutive naturals, namely, 6072216614 + 6072216615.

It is an arithmetic number, because the mean of its divisors is an integer number (6072216615).

Almost surely, 2^12144433229 is an apocalyptic number.

It is an amenable number.

12144433229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144433229 is an equidigital number, since it uses as much as digits as its factorization.

12144433229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The spelling of 12144433229 in words is "twelve billion, one hundred forty-four million, four hundred thirty-three thousand, two hundred twenty-nine".