4012022129 has 2 divisors, whose sum is σ = 4012022130. Its totient is φ = 4012022128.

The previous prime is 4012022099. The next prime is 4012022137. The reversal of 4012022129 is 9212202104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2009280625 + 2002741504 = 44825^2 + 44752^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012022129 - 2¹² = 4012018033 is a prime.

It is not a weakly prime, because it can be changed into another prime (4012022149) 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, 2006011064 + 2006011065.

It is an arithmetic number, because the mean of its divisors is an integer number (2006011065).

Almost surely, 2^4012022129 is an apocalyptic number.

It is an amenable number.

4012022129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012022129 is an equidigital number, since it uses as much as digits as its factorization.

4012022129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4012022129 is about 63340.5251714888. The cubic root of 4012022129 is about 1588.9897897140.

The spelling of 4012022129 in words is "four billion, twelve million, twenty-two thousand, one hundred twenty-nine".