122112212122 has 8 divisors (see below), whose sum is σ = 191132158176. Its totient is φ = 58401492732.

The previous prime is 122112212063. The next prime is 122112212153. The reversal of 122112212122 is 221212211221.

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

It is a super-2 number, since 2×122112212122² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 122112212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327306608 + ... + 1327306699.

It is an arithmetic number, because the mean of its divisors is an integer number (23891519772).

Almost surely, 2^122112212122 is an apocalyptic number.

122112212122 is a deficient number, since it is larger than the sum of its proper divisors (69019946054).

122112212122 is a wasteful number, since it uses less digits than its factorization.

122112212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654613332.

The product of its digits is 128, while the sum is 19.

Adding to 122112212122 its reverse (221212211221), we get a palindrome (343324423343).

Subtracting 122112212122 from its reverse (221212211221), we obtain a palindrome (99099999099).

The spelling of 122112212122 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, one hundred twenty-two".