122002011212189 has 2 divisors, whose sum is σ = 122002011212190. Its totient is φ = 122002011212188.

The previous prime is 122002011212129. The next prime is 122002011212261. The reversal of 122002011212189 is 981212110200221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99611038964089 + 22390972248100 = 9980533^2 + 4731910^2 .

It is a cyclic number.

It is not a de Polignac number, because 122002011212189 - 2³² = 121997716244893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122002011212129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001005606094 + 61001005606095.

It is an arithmetic number, because the mean of its divisors is an integer number (61001005606095).

Almost surely, 2^{122002011212189} is an apocalyptic number.

It is an amenable number.

122002011212189 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002011212189 is an equidigital number, since it uses as much as digits as its factorization.

122002011212189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 122002011212189 in words is "one hundred twenty-two trillion, two billion, eleven million, two hundred twelve thousand, one hundred eighty-nine".