12213242032 has 20 divisors (see below), whose sum is σ = 24240307896. Its totient is φ = 5957678720.

The previous prime is 12213242021. The next prime is 12213242039. The reversal of 12213242032 is 23024231221.

It is a super-2 number, since 2×12213242032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213241994 and 12213242012.

It is not an unprimeable number, because it can be changed into a prime (12213242039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9308218 + ... + 9309529.

Almost surely, 2^12213242032 is an apocalyptic number.

It is an amenable number.

12213242032 is a deficient number, since it is larger than the sum of its proper divisors (12027065864).

12213242032 is a wasteful number, since it uses less digits than its factorization.

12213242032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18617796 (or 18617790 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12213242032 its reverse (23024231221), we get a palindrome (35237473253).

The spelling of 12213242032 in words is "twelve billion, two hundred thirteen million, two hundred forty-two thousand, thirty-two".