1200210221212 has 12 divisors (see below), whose sum is σ = 2115478448440. Its totient is φ = 595787807376.

The previous prime is 1200210221173. The next prime is 1200210221227. The reversal of 1200210221212 is 2121220120021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1079325183 + ... + 1079326294.

Almost surely, 2^{1200210221212} is an apocalyptic number.

It is an amenable number.

1200210221212 is a deficient number, since it is larger than the sum of its proper divisors (915268227228).

1200210221212 is a wasteful number, since it uses less digits than its factorization.

1200210221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158651620 (or 2158651618 counting only the distinct ones).

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

Adding to 1200210221212 its reverse (2121220120021), we get a palindrome (3321430341233).

The spelling of 1200210221212 in words is "one trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twelve".