1223110312 has 16 divisors (see below), whose sum is σ = 2294781300. Its totient is φ = 611168640.

The previous prime is 1223110279. The next prime is 1223110337. The reversal of 1223110312 is 2130113221.

It can be written as a sum of positive squares in 2 ways, for example, as 1096007236 + 127103076 = 33106^2 + 11274^2 .

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, 34639 + ... + 60382.

Almost surely, 2^1223110312 is an apocalyptic number.

It is an amenable number.

1223110312 is a deficient number, since it is larger than the sum of its proper divisors (1071670988).

1223110312 is a wasteful number, since it uses less digits than its factorization.

1223110312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96636 (or 96632 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1223110312 is about 34972.9940382576. The cubic root of 1223110312 is about 1069.4370089791.

Adding to 1223110312 its reverse (2130113221), we get a palindrome (3353223533).

The spelling of 1223110312 in words is "one billion, two hundred twenty-three million, one hundred ten thousand, three hundred twelve".