43122202129 has 2 divisors, whose sum is σ = 43122202130. Its totient is φ = 43122202128.

The previous prime is 43122201977. The next prime is 43122202213. The reversal of 43122202129 is 92120222134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42179712129 + 942490000 = 205377^2 + 30700^2 .

It is a cyclic number.

It is not a de Polignac number, because 43122202129 - 2¹¹ = 43122200081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43122202097 and 43122202106.

It is not a weakly prime, because it can be changed into another prime (43122202429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21561101064 + 21561101065.

It is an arithmetic number, because the mean of its divisors is an integer number (21561101065).

Almost surely, 2^43122202129 is an apocalyptic number.

It is an amenable number.

43122202129 is a deficient number, since it is larger than the sum of its proper divisors (1).

43122202129 is an equidigital number, since it uses as much as digits as its factorization.

43122202129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 43122202129 in words is "forty-three billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-nine".