12303022312 has 24 divisors (see below), whose sum is σ = 26834399010. Its totient is φ = 5272723680.

The previous prime is 12303022301. The next prime is 12303022327. The reversal of 12303022312 is 21322030321.

12303022312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11086826436 + 1216195876 = 105294^2 + 34874^2 .

It is a super-4 number, since 4×12303022312⁴ (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12303022312.

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 5 ways as a sum of consecutive naturals, for example, 15692239 + ... + 15693022.

Almost surely, 2^12303022312 is an apocalyptic number.

It is an amenable number.

12303022312 is an abundant number, since it is smaller than the sum of its proper divisors (14531376698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303022312 is a wasteful number, since it uses less digits than its factorization.

12303022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31385281 (or 31385270 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12303022312 its reverse (21322030321), we get a palindrome (33625052633).

The spelling of 12303022312 in words is "twelve billion, three hundred three million, twenty-two thousand, three hundred twelve".