12223040232 has 64 divisors (see below), whose sum is σ = 32931622080. Its totient is φ = 3758257152.

The previous prime is 12223040201. The next prime is 12223040237. The reversal of 12223040232 is 23204032221.

It is a super-2 number, since 2×12223040232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12223040199 and 12223040208.

It is not an unprimeable number, because it can be changed into a prime (12223040237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449488 + ... + 475904.

It is an arithmetic number, because the mean of its divisors is an integer number (514556595).

Almost surely, 2^12223040232 is an apocalyptic number.

12223040232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12223040232 is an abundant number, since it is smaller than the sum of its proper divisors (20708581848).

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

12223040232 is a wasteful number, since it uses less digits than its factorization.

12223040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27922 (or 27918 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12223040232 its reverse (23204032221), we get a palindrome (35427072453).

The spelling of 12223040232 in words is "twelve billion, two hundred twenty-three million, forty thousand, two hundred thirty-two".