1122120212 has 24 divisors (see below), whose sum is σ = 1986314400. Its totient is φ = 554639456.

The previous prime is 1122120211. The next prime is 1122120227. The reversal of 1122120212 is 2120212211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119339 + ... + 128397.

It is an arithmetic number, because the mean of its divisors is an integer number (82763100).

Almost surely, 2^1122120212 is an apocalyptic number.

It is an amenable number.

1122120212 is a deficient number, since it is larger than the sum of its proper divisors (864194188).

1122120212 is a wasteful number, since it uses less digits than its factorization.

1122120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9415 (or 9413 counting only the distinct ones).

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

The square root of 1122120212 is about 33498.0628096611. The cubic root of 1122120212 is about 1039.1537161222.

Adding to 1122120212 its reverse (2120212211), we get a palindrome (3242332423).

The spelling of 1122120212 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twelve".