12310323222 has 16 divisors (see below), whose sum is σ = 24640217280. Its totient is φ = 4100179272.

The previous prime is 12310323217. The next prime is 12310323313. The reversal of 12310323222 is 22232301321.

It is a happy number.

It is a super-2 number, since 2×12310323222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 807268 + ... + 822375.

It is an arithmetic number, because the mean of its divisors is an integer number (1540013580).

Almost surely, 2^12310323222 is an apocalyptic number.

12310323222 is an abundant number, since it is smaller than the sum of its proper divisors (12329894058).

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

12310323222 is a wasteful number, since it uses less digits than its factorization.

12310323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630907.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12310323222 its reverse (22232301321), we get a palindrome (34542624543).

The spelling of 12310323222 in words is "twelve billion, three hundred ten million, three hundred twenty-three thousand, two hundred twenty-two".