12223210012 has 48 divisors (see below), whose sum is σ = 23855785632. Its totient is φ = 5444225280.

The previous prime is 12223209961. The next prime is 12223210019. The reversal of 12223210012 is 21001232221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223210019) 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, 131763 + ... + 204469.

It is an arithmetic number, because the mean of its divisors is an integer number (496995534).

Almost surely, 2^12223210012 is an apocalyptic number.

It is an amenable number.

12223210012 is a deficient number, since it is larger than the sum of its proper divisors (11632575620).

12223210012 is a wasteful number, since it uses less digits than its factorization.

12223210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72838 (or 72836 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12223210012 its reverse (21001232221), we get a palindrome (33224442233).

The spelling of 12223210012 in words is "twelve billion, two hundred twenty-three million, two hundred ten thousand, twelve".