1222200200212 has 12 divisors (see below), whose sum is σ = 2138867522260. Its totient is φ = 611095193856.

The previous prime is 1222200200209. The next prime is 1222200200329. The reversal of 1222200200212 is 2120020022221.

It can be written as a sum of positive squares in 2 ways, for example, as 1138843271556 + 83356928656 = 1067166^2 + 288716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634287 + ... + 1687222.

Almost surely, 2^{1222200200212} is an apocalyptic number.

It is an amenable number.

1222200200212 is a deficient number, since it is larger than the sum of its proper divisors (916667322048).

1222200200212 is a wasteful number, since it uses less digits than its factorization.

1222200200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453130 (or 2453128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222200200212 its reverse (2120020022221), we get a palindrome (3342220222433).

The spelling of 1222200200212 in words is "one trillion, two hundred twenty-two billion, two hundred million, two hundred thousand, two hundred twelve".