12223023132 has 24 divisors (see below), whose sum is σ = 28522189696. Its totient is φ = 4074083568.

The previous prime is 12223023121. The next prime is 12223023151. The reversal of 12223023132 is 23132032221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12223023099 and 12223023108.

It is a congruent number.

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, 318153 + ... + 354495.

Almost surely, 2^12223023132 is an apocalyptic number.

12223023132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12223023132 is an abundant number, since it is smaller than the sum of its proper divisors (16299166564).

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

12223023132 is a wasteful number, since it uses less digits than its factorization.

12223023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64377 (or 64375 counting only the distinct ones).

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

Adding to 12223023132 its reverse (23132032221), we get a palindrome (35355055353).

The spelling of 12223023132 in words is "twelve billion, two hundred twenty-three million, twenty-three thousand, one hundred thirty-two".