1222120020222 has 12 divisors (see below), whose sum is σ = 2647926710520. Its totient is φ = 407373340068.

The previous prime is 1222120020221. The next prime is 1222120020241. The reversal of 1222120020222 is 2220200212221.

1222120020222 is a `hidden beast` number, since 1 + 2 + 221 + 200 + 20 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67895556679 = 1222120020222 / (1 + 2 + 2 + 2 + 1 + 2 + 0 + 0 + 2 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1222120020195 and 1222120020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222120020221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33947778322 + ... + 33947778357.

It is an arithmetic number, because the mean of its divisors is an integer number (220660559210).

Almost surely, 2^{1222120020222} is an apocalyptic number.

1222120020222 is an abundant number, since it is smaller than the sum of its proper divisors (1425806690298).

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

1222120020222 is a wasteful number, since it uses less digits than its factorization.

1222120020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67895556687 (or 67895556684 counting only the distinct ones).

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

Adding to 1222120020222 its reverse (2220200212221), we get a palindrome (3442320232443).

The spelling of 1222120020222 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, twenty thousand, two hundred twenty-two".