122012220022009 has 2 divisors, whose sum is σ = 122012220022010. Its totient is φ = 122012220022008.

The previous prime is 122012220021907. The next prime is 122012220022051. The reversal of 122012220022009 is 900220022210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92227750046784 + 29784469975225 = 9603528^2 + 5457515^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012220022009 - 2¹⁷ = 122012219890937 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012220022909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006110011004 + 61006110011005.

It is an arithmetic number, because the mean of its divisors is an integer number (61006110011005).

Almost surely, 2^{122012220022009} is an apocalyptic number.

It is an amenable number.

122012220022009 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012220022009 is an equidigital number, since it uses as much as digits as its factorization.

122012220022009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 122012220022009 in words is "one hundred twenty-two trillion, twelve billion, two hundred twenty million, twenty-two thousand, nine".