12022210220220 has 72 divisors (see below), whose sum is σ = 36467784007200. Its totient is φ = 3205886417280.

The previous prime is 12022210220203. The next prime is 12022210220233. The reversal of 12022210220220 is 2202201222021.

12022210220220 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 221 + 0 + 220 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12022210220193 and 12022210220202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18045606 + ... + 18699954.

It is an arithmetic number, because the mean of its divisors is an integer number (506497000100).

Almost surely, 2^{12022210220220} is an apocalyptic number.

12022210220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022210220220 is an abundant number, since it is smaller than the sum of its proper divisors (24445573786980).

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

12022210220220 is a wasteful number, since it uses less digits than its factorization.

12022210220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756435 (or 756430 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12022210220220 its reverse (2202201222021), we get a palindrome (14224411442241).

The spelling of 12022210220220 in words is "twelve trillion, twenty-two billion, two hundred ten million, two hundred twenty thousand, two hundred twenty".