1222220010212 has 24 divisors (see below), whose sum is σ = 2231919324096. Its totient is φ = 584529710688.

The previous prime is 1222220010127. The next prime is 1222220010217. The reversal of 1222220010212 is 2120100222221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1222220010217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8855243 + ... + 8992205.

It is an arithmetic number, because the mean of its divisors is an integer number (92996638504).

Almost surely, 2^{1222220010212} is an apocalyptic number.

It is an amenable number.

1222220010212 is a deficient number, since it is larger than the sum of its proper divisors (1009699313884).

1222220010212 is a wasteful number, since it uses less digits than its factorization.

1222220010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233987 (or 233985 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222220010212 its reverse (2120100222221), we get a palindrome (3342320232433).

The spelling of 1222220010212 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, ten thousand, two hundred twelve".