123222121012209 has 8 divisors (see below), whose sum is σ = 164433878170272. Its totient is φ = 82079222264480.

The previous prime is 123222121012181. The next prime is 123222121012247. The reversal of 123222121012209 is 902210121222321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123222121012209 - 2⁴¹ = 121023097756657 is a prime.

It is a super-2 number, since 2×123222121012209² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123222121013209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17214598407 + ... + 17214605564.

It is an arithmetic number, because the mean of its divisors is an integer number (20554234771284).

Almost surely, 2^{123222121012209} is an apocalyptic number.

It is an amenable number.

123222121012209 is a deficient number, since it is larger than the sum of its proper divisors (41211757158063).

123222121012209 is a wasteful number, since it uses less digits than its factorization.

123222121012209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34429205167.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 123222121012209 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one hundred twenty-one million, twelve thousand, two hundred nine".