122212221009999 has 8 divisors (see below), whose sum is σ = 171525924224640. Its totient is φ = 77186665901016.

The previous prime is 122212221009971. The next prime is 122212221010067. The reversal of 122212221009999 is 999900122212221.

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

It is not a de Polignac number, because 122212221009999 - 2⁸ = 122212221009743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212221009919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072037026347 + ... + 1072037026460.

It is an arithmetic number, because the mean of its divisors is an integer number (21440740528080).

Almost surely, 2^{122212221009999} is an apocalyptic number.

122212221009999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

122212221009999 is a deficient number, since it is larger than the sum of its proper divisors (49313703214641).

122212221009999 is a wasteful number, since it uses less digits than its factorization.

122212221009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144074052829.

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 122212221009999 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred twenty-one million, nine thousand, nine hundred ninety-nine".