1122212201212 has 12 divisors (see below), whose sum is σ = 1967106729280. Its totient is φ = 560181707136.

The previous prime is 1122212201203. The next prime is 1122212201219. The reversal of 1122212201212 is 2121022122211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122212201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122212201219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231095637 + ... + 231100492.

Almost surely, 2^{1122212201212} is an apocalyptic number.

It is an amenable number.

1122212201212 is a deficient number, since it is larger than the sum of its proper divisors (844894528068).

1122212201212 is a wasteful number, since it uses less digits than its factorization.

1122212201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462196740 (or 462196738 counting only the distinct ones).

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

Adding to 1122212201212 its reverse (2121022122211), we get a palindrome (3243234323423).

The spelling of 1122212201212 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred one thousand, two hundred twelve".