1152223312 has 10 divisors (see below), whose sum is σ = 2232432698. Its totient is φ = 576111648.

The previous prime is 1152223307. The next prime is 1152223337. The reversal of 1152223312 is 2133222511.

It can be written as a sum of positive squares in only one way, i.e., 866478096 + 285745216 = 29436^2 + 16904^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36006963 + ... + 36006994.

Almost surely, 2^1152223312 is an apocalyptic number.

It is an amenable number.

1152223312 is a deficient number, since it is larger than the sum of its proper divisors (1080209386).

1152223312 is an equidigital number, since it uses as much as digits as its factorization.

1152223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72013965 (or 72013959 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1152223312 is about 33944.4150339934. The cubic root of 1152223312 is about 1048.3642897658.

Adding to 1152223312 its reverse (2133222511), we get a palindrome (3285445823).

The spelling of 1152223312 in words is "one billion, one hundred fifty-two million, two hundred twenty-three thousand, three hundred twelve".