34122040021 has 2 divisors, whose sum is σ = 34122040022. Its totient is φ = 34122040020.

The previous prime is 34122039983. The next prime is 34122040027. The reversal of 34122040021 is 12004022143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31447702225 + 2674337796 = 177335^2 + 51714^2 .

It is a cyclic number.

It is not a de Polignac number, because 34122040021 - 2⁷ = 34122039893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34122040027) 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, 17061020010 + 17061020011.

It is an arithmetic number, because the mean of its divisors is an integer number (17061020011).

Almost surely, 2^34122040021 is an apocalyptic number.

It is an amenable number.

34122040021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34122040021 is an equidigital number, since it uses as much as digits as its factorization.

34122040021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 34122040021 its reverse (12004022143), we get a palindrome (46126062164).

The spelling of 34122040021 in words is "thirty-four billion, one hundred twenty-two million, forty thousand, twenty-one".