12223243232 has 24 divisors (see below), whose sum is σ = 24169609800. Its totient is φ = 6084929664.

The previous prime is 12223243231. The next prime is 12223243237. The reversal of 12223243232 is 23234232221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223243231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826682 + ... + 841337.

It is an arithmetic number, because the mean of its divisors is an integer number (1007067075).

Almost surely, 2^12223243232 is an apocalyptic number.

It is an amenable number.

12223243232 is a deficient number, since it is larger than the sum of its proper divisors (11946366568).

12223243232 is a wasteful number, since it uses less digits than its factorization.

12223243232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668258 (or 1668250 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

Adding to 12223243232 its reverse (23234232221), we get a palindrome (35457475453).

The spelling of 12223243232 in words is "twelve billion, two hundred twenty-three million, two hundred forty-three thousand, two hundred thirty-two".