12243202312 has 32 divisors (see below), whose sum is σ = 26131740480. Its totient is φ = 5323130560.

The previous prime is 12243202291. The next prime is 12243202327. The reversal of 12243202312 is 21320234221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3022483 + ... + 3026530.

It is an arithmetic number, because the mean of its divisors is an integer number (816616890).

Almost surely, 2^12243202312 is an apocalyptic number.

It is an amenable number.

12243202312 is an abundant number, since it is smaller than the sum of its proper divisors (13888538168).

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

12243202312 is a wasteful number, since it uses less digits than its factorization.

12243202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049053 (or 6049049 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12243202312 its reverse (21320234221), we get a palindrome (33563436533).

The spelling of 12243202312 in words is "twelve billion, two hundred forty-three million, two hundred two thousand, three hundred twelve".