1122221202212 has 48 divisors (see below), whose sum is σ = 2166649793280. Its totient is φ = 504346176000.

The previous prime is 1122221202211. The next prime is 1122221202239. The reversal of 1122221202212 is 2122021222211.

It is not an unprimeable number, because it can be changed into a prime (1122221202211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019628 + ... + 3370844.

It is an arithmetic number, because the mean of its divisors is an integer number (45138537360).

Almost surely, 2^{1122221202212} is an apocalyptic number.

It is an amenable number.

1122221202212 is a deficient number, since it is larger than the sum of its proper divisors (1044428591068).

1122221202212 is a wasteful number, since it uses less digits than its factorization.

1122221202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352052 (or 352050 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1122221202212 its reverse (2122021222211), we get a palindrome (3244242424423).

The spelling of 1122221202212 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, two hundred twelve".