1122323212 has 6 divisors (see below), whose sum is σ = 1964065628. Its totient is φ = 561161604.

The previous prime is 1122323173. The next prime is 1122323219. The reversal of 1122323212 is 2123232211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122323212.

It is not an unprimeable number, because it can be changed into a prime (1122323219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140290398 + ... + 140290405.

Almost surely, 2^1122323212 is an apocalyptic number.

It is an amenable number.

1122323212 is a deficient number, since it is larger than the sum of its proper divisors (841742416).

1122323212 is a wasteful number, since it uses less digits than its factorization.

1122323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280580807 (or 280580805 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1122323212 is about 33501.0926985972. The cubic root of 1122323212 is about 1039.2163759224.

Adding to 1122323212 its reverse (2123232211), we get a palindrome (3245555423).

The spelling of 1122323212 in words is "one billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred twelve".