12212121022022 has 8 divisors (see below), whose sum is σ = 18663807599856. Its totient is φ = 5990851822072.

The previous prime is 12212121021979. The next prime is 12212121022033. The reversal of 12212121022022 is 22022012121221.

12212121022022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12212121021985 and 12212121022003.

It is a congruent 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, 57604344338 + ... + 57604344549.

It is an arithmetic number, because the mean of its divisors is an integer number (2332975949982).

Almost surely, 2^{12212121022022} is an apocalyptic number.

12212121022022 is a deficient number, since it is larger than the sum of its proper divisors (6451686577834).

12212121022022 is a wasteful number, since it uses less digits than its factorization.

12212121022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115208688942.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12212121022022 its reverse (22022012121221), we get a palindrome (34234133143243).

The spelling of 12212121022022 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-one million, twenty-two thousand, twenty-two".