122020000019 has 2 divisors, whose sum is σ = 122020000020. Its totient is φ = 122020000018.

The previous prime is 122019999973. The next prime is 122020000021. The reversal of 122020000019 is 910000020221.

It is a strong prime.

It is an emirp because it is prime and its reverse (910000020221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122020000019 is a prime.

It is a super-2 number, since 2×122020000019² (a number of 23 digits) contains 22 as substring.

Together with 122020000021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122019999961 and 122020000006.

It is not a weakly prime, because it can be changed into another prime (122020000079) 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, 61010000009 + 61010000010.

It is an arithmetic number, because the mean of its divisors is an integer number (61010000010).

Almost surely, 2^122020000019 is an apocalyptic number.

122020000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020000019 is an equidigital number, since it uses as much as digits as its factorization.

122020000019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 122020000019 in words is "one hundred twenty-two billion, twenty million, nineteen", and thus it is an aban number.