1200212212 has 12 divisors (see below), whose sum is σ = 2172798180. Its totient is φ = 579412736.

The previous prime is 1200212207. The next prime is 1200212231. The reversal of 1200212212 is 2122120021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 626801296 + 573410916 = 25036^2 + 23946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200212192 and 1200212201.

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, 5173213 + ... + 5173444.

It is an arithmetic number, because the mean of its divisors is an integer number (181066515).

Almost surely, 2^1200212212 is an apocalyptic number.

It is an amenable number.

1200212212 is a deficient number, since it is larger than the sum of its proper divisors (972585968).

1200212212 is a wasteful number, since it uses less digits than its factorization.

1200212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346690 (or 10346688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1200212212 is about 34644.0790323541. The cubic root of 1200212212 is about 1062.7212068516.

Adding to 1200212212 its reverse (2122120021), we get a palindrome (3322332233).

The spelling of 1200212212 in words is "one billion, two hundred million, two hundred twelve thousand, two hundred twelve".