1200210021212 has 12 divisors (see below), whose sum is σ = 2100379780800. Its totient is φ = 600101512416.

The previous prime is 1200210021203. The next prime is 1200210021239. The reversal of 1200210021212 is 2121200120021.

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, 6953 + ... + 1549344.

It is an arithmetic number, because the mean of its divisors is an integer number (175031648400).

Almost surely, 2^{1200210021212} is an apocalyptic number.

It is an amenable number.

1200210021212 is a deficient number, since it is larger than the sum of its proper divisors (900169759588).

1200210021212 is a wasteful number, since it uses less digits than its factorization.

1200210021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749100 (or 1749098 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200210021212 its reverse (2121200120021), we get a palindrome (3321410141233).

The spelling of 1200210021212 in words is "one trillion, two hundred billion, two hundred ten million, twenty-one thousand, two hundred twelve".