122001001202009 has 2 divisors, whose sum is σ = 122001001202010. Its totient is φ = 122001001202008.

The previous prime is 122001001201949. The next prime is 122001001202011. The reversal of 122001001202009 is 900202100100221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90925226262784 + 31075774939225 = 9535472^2 + 5574565^2 .

It is a cyclic number.

It is not a de Polignac number, because 122001001202009 - 2⁴⁰ = 120901489574233 is a prime.

Together with 122001001202011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122001001202609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000500601004 + 61000500601005.

It is an arithmetic number, because the mean of its divisors is an integer number (61000500601005).

Almost surely, 2^{122001001202009} is an apocalyptic number.

It is an amenable number.

122001001202009 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001001202009 is an equidigital number, since it uses as much as digits as its factorization.

122001001202009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 122001001202009 in words is "one hundred twenty-two trillion, one billion, one million, two hundred two thousand, nine".