1222200101212 has 6 divisors (see below), whose sum is σ = 2138850177128. Its totient is φ = 611100050604.

The previous prime is 1222200101167. The next prime is 1222200101219. The reversal of 1222200101212 is 2121010022221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222200101219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152775012648 + ... + 152775012655.

Almost surely, 2^{1222200101212} is an apocalyptic number.

It is an amenable number.

1222200101212 is a deficient number, since it is larger than the sum of its proper divisors (916650075916).

1222200101212 is a wasteful number, since it uses less digits than its factorization.

1222200101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305550025307 (or 305550025305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222200101212 its reverse (2121010022221), we get a palindrome (3343210123433).

The spelling of 1222200101212 in words is "one trillion, two hundred twenty-two billion, two hundred million, one hundred one thousand, two hundred twelve".