122030202509 has 2 divisors, whose sum is σ = 122030202510. Its totient is φ = 122030202508.

The previous prime is 122030202499. The next prime is 122030202559. The reversal of 122030202509 is 905202030221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119891140009 + 2139062500 = 346253^2 + 46250^2 .

It is a cyclic number.

It is not a de Polignac number, because 122030202509 - 2¹⁶ = 122030136973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122030202559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61015101254 + 61015101255.

It is an arithmetic number, because the mean of its divisors is an integer number (61015101255).

Almost surely, 2^122030202509 is an apocalyptic number.

It is an amenable number.

122030202509 is a deficient number, since it is larger than the sum of its proper divisors (1).

122030202509 is an equidigital number, since it uses as much as digits as its factorization.

122030202509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 122030202509 in words is "one hundred twenty-two billion, thirty million, two hundred two thousand, five hundred nine".