122231030209 has 16 divisors (see below), whose sum is σ = 127972774800. Its totient is φ = 116620058880.

The previous prime is 122231030197. The next prime is 122231030213. The reversal of 122231030209 is 902030132221.

It can be written as a sum of positive squares in 8 ways, for example, as 6701059600 + 115529970609 = 81860^2 + 339897^2 .

It is a cyclic number.

It is not a de Polignac number, because 122231030209 - 2¹⁹ = 122230505921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122231030269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3805999 + ... + 3837979.

It is an arithmetic number, because the mean of its divisors is an integer number (7998298425).

Almost surely, 2^122231030209 is an apocalyptic number.

It is an amenable number.

122231030209 is a deficient number, since it is larger than the sum of its proper divisors (5741744591).

122231030209 is a wasteful number, since it uses less digits than its factorization.

122231030209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 122231030209 in words is "one hundred twenty-two billion, two hundred thirty-one million, thirty thousand, two hundred nine".