122020000129 has 2 divisors, whose sum is σ = 122020000130. Its totient is φ = 122020000128.

The previous prime is 122020000127. The next prime is 122020000213. The reversal of 122020000129 is 921000020221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71238279025 + 50781721104 = 266905^2 + 225348^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020000129 - 2¹ = 122020000127 is a prime.

Together with 122020000127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122020000127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010000064 + 61010000065.

It is an arithmetic number, because the mean of its divisors is an integer number (61010000065).

Almost surely, 2^122020000129 is an apocalyptic number.

It is an amenable number.

122020000129 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020000129 is an equidigital number, since it uses as much as digits as its factorization.

122020000129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 122020000129 in words is "one hundred twenty-two billion, twenty million, one hundred twenty-nine", and thus it is an aban number.