1223433212 has 12 divisors (see below), whose sum is σ = 2141312880. Its totient is φ = 611629536.

The previous prime is 1223433173. The next prime is 1223433229. The reversal of 1223433212 is 2123343221.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17864 + ... + 52592.

It is an arithmetic number, because the mean of its divisors is an integer number (178442740).

Almost surely, 2^1223433212 is an apocalyptic number.

It is an amenable number.

1223433212 is a deficient number, since it is larger than the sum of its proper divisors (917879668).

1223433212 is a wasteful number, since it uses less digits than its factorization.

1223433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43540 (or 43538 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 1223433212 is about 34977.6101527820. The cubic root of 1223433212 is about 1069.5311108283.

Adding to 1223433212 its reverse (2123343221), we get a palindrome (3346776433).

The spelling of 1223433212 in words is "one billion, two hundred twenty-three million, four hundred thirty-three thousand, two hundred twelve".