122101201209 has 16 divisors (see below), whose sum is σ = 184552424000. Its totient is φ = 71184505536.

The previous prime is 122101201181. The next prime is 122101201213. The reversal of 122101201209 is 902102101221.

It is not a de Polignac number, because 122101201209 - 2⁸ = 122101200953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101201009) 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, 82388734 + ... + 82390215.

It is an arithmetic number, because the mean of its divisors is an integer number (11534526500).

Almost surely, 2^122101201209 is an apocalyptic number.

122101201209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

122101201209 is a deficient number, since it is larger than the sum of its proper divisors (62451222791).

122101201209 is a wasteful number, since it uses less digits than its factorization.

122101201209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164778984.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 122101201209 in words is "one hundred twenty-two billion, one hundred one million, two hundred one thousand, two hundred nine".