12122211112022 has 16 divisors (see below), whose sum is σ = 19836817175232. Its totient is φ = 5509964926920.

The previous prime is 12122211111961. The next prime is 12122211112043. The reversal of 12122211112022 is 22021111222121.

It is a junction number, because it is equal to n+sod(n) for n = 12122211111985 and 12122211112003.

It is a congruent number.

It is an unprimeable number.

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, 5602448 + ... + 7458675.

It is an arithmetic number, because the mean of its divisors is an integer number (1239801073452).

Almost surely, 2^{12122211112022} is an apocalyptic number.

12122211112022 is a deficient number, since it is larger than the sum of its proper divisors (7714606063210).

12122211112022 is a wasteful number, since it uses less digits than its factorization.

12122211112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103323.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12122211112022 its reverse (22021111222121), we get a palindrome (34143322334143).

The spelling of 12122211112022 in words is "twelve trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, twenty-two".