1112221202212 has 12 divisors (see below), whose sum is σ = 1949414148976. Its totient is φ = 555245731080.

The previous prime is 1112221202173. The next prime is 1112221202219. The reversal of 1112221202212 is 2122021222111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112221202212.

It is not an unprimeable number, because it can be changed into a prime (1112221202219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216214614 + ... + 216219757.

Almost surely, 2^{1112221202212} is an apocalyptic number.

It is an amenable number.

1112221202212 is a deficient number, since it is larger than the sum of its proper divisors (837192946764).

1112221202212 is a wasteful number, since it uses less digits than its factorization.

1112221202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432435018 (or 432435016 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1112221202212 its reverse (2122021222111), we get a palindrome (3234242424323).

The spelling of 1112221202212 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred twelve".