43012234129 has 2 divisors, whose sum is σ = 43012234130. Its totient is φ = 43012234128.

The previous prime is 43012234093. The next prime is 43012234171. The reversal of 43012234129 is 92143221034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40852494400 + 2159739729 = 202120^2 + 46473^2 .

It is a cyclic number.

It is not a de Polignac number, because 43012234129 - 2¹⁵ = 43012201361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43012234129.

It is not a weakly prime, because it can be changed into another prime (43012234189) 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 as a sum of consecutive naturals, namely, 21506117064 + 21506117065.

It is an arithmetic number, because the mean of its divisors is an integer number (21506117065).

Almost surely, 2^43012234129 is an apocalyptic number.

It is an amenable number.

43012234129 is a deficient number, since it is larger than the sum of its proper divisors (1).

43012234129 is an equidigital number, since it uses as much as digits as its factorization.

43012234129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 43012234129 in words is "forty-three billion, twelve million, two hundred thirty-four thousand, one hundred twenty-nine".