12021122212122 has 8 divisors (see below), whose sum is σ = 24042244424256. Its totient is φ = 4007040737372.

The previous prime is 12021122212061. The next prime is 12021122212133. The reversal of 12021122212122 is 22121222112021.

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

12021122212122 is an admirable number.

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, 1001760184338 + ... + 1001760184349.

It is an arithmetic number, because the mean of its divisors is an integer number (3005280553032).

Almost surely, 2^{12021122212122} is an apocalyptic number.

12021122212122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021122212122 is a wasteful number, since it uses less digits than its factorization.

12021122212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003520368692.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12021122212122 its reverse (22121222112021), we get a palindrome (34142344324143).

The spelling of 12021122212122 in words is "twelve trillion, twenty-one billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".