12221210120022 has 48 divisors (see below), whose sum is σ = 26529795474000. Its totient is φ = 4065970260672.

The previous prime is 12221210120003. The next prime is 12221210120039. The reversal of 12221210120022 is 22002101212221.

It is a happy number.

12221210120022 is a `hidden beast` number, since 12 + 221 + 210 + 1 + 200 + 22 = 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 = 12221210119977 and 12221210120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38493504 + ... + 38809692.

It is an arithmetic number, because the mean of its divisors is an integer number (552704072375).

Almost surely, 2^{12221210120022} is an apocalyptic number.

12221210120022 is an abundant number, since it is smaller than the sum of its proper divisors (14308585353978).

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

12221210120022 is a wasteful number, since it uses less digits than its factorization.

12221210120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320285 (or 320282 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12221210120022 its reverse (22002101212221), we get a palindrome (34223311332243).

The spelling of 12221210120022 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty thousand, twenty-two".