1213202212 has 24 divisors (see below), whose sum is σ = 2366310240. Its totient is φ = 540869760.

The previous prime is 1213202201. The next prime is 1213202219. The reversal of 1213202212 is 2122023121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1213202219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468214 + ... + 470797.

It is an arithmetic number, because the mean of its divisors is an integer number (98596260).

Almost surely, 2^1213202212 is an apocalyptic number.

It is an amenable number.

1213202212 is a deficient number, since it is larger than the sum of its proper divisors (1153108028).

1213202212 is a wasteful number, since it uses less digits than its factorization.

1213202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939051 (or 939049 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1213202212 is about 34831.0524101699. The cubic root of 1213202212 is about 1066.5414319551.

Adding to 1213202212 its reverse (2122023121), we get a palindrome (3335225333).

The spelling of 1213202212 in words is "one billion, two hundred thirteen million, two hundred two thousand, two hundred twelve".