12303231222 has 16 divisors (see below), whose sum is σ = 24943538160. Its totient is φ = 4044897792.

The previous prime is 12303231209. The next prime is 12303231263. The reversal of 12303231222 is 22213230321.

It is a happy number.

It is a super-2 number, since 2×12303231222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14044347 + ... + 14045222.

It is an arithmetic number, because the mean of its divisors is an integer number (1558971135).

Almost surely, 2^12303231222 is an apocalyptic number.

12303231222 is an abundant number, since it is smaller than the sum of its proper divisors (12640306938).

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

12303231222 is a wasteful number, since it uses less digits than its factorization.

12303231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28089647.

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

Adding to 12303231222 its reverse (22213230321), we get a palindrome (34516461543).

Subtracting 12303231222 from its reverse (22213230321), we obtain a palindrome (9909999099).

The spelling of 12303231222 in words is "twelve billion, three hundred three million, two hundred thirty-one thousand, two hundred twenty-two".