12312301224 has 32 divisors (see below), whose sum is σ = 30815903520. Its totient is φ = 4099413696.

The previous prime is 12312301213. The next prime is 12312301301. The reversal of 12312301224 is 42210321321.

It is a super-2 number, since 2×12312301224² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12312301224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271434 + ... + 313529.

It is an arithmetic number, because the mean of its divisors is an integer number (962996985).

Almost surely, 2^12312301224 is an apocalyptic number.

It is an amenable number.

12312301224 is an abundant number, since it is smaller than the sum of its proper divisors (18503602296).

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

12312301224 is a wasteful number, since it uses less digits than its factorization.

12312301224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585849 (or 585845 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12312301224 its reverse (42210321321), we get a palindrome (54522622545).

The spelling of 12312301224 in words is "twelve billion, three hundred twelve million, three hundred one thousand, two hundred twenty-four".