12230031212 has 24 divisors (see below), whose sum is σ = 24712233504. Its totient is φ = 5187405312.

The previous prime is 12230031161. The next prime is 12230031221. The reversal of 12230031212 is 21213003221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248763 + ... + 2254194.

It is an arithmetic number, because the mean of its divisors is an integer number (1029676396).

Almost surely, 2^12230031212 is an apocalyptic number.

It is an amenable number.

12230031212 is an abundant number, since it is smaller than the sum of its proper divisors (12482202292).

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

12230031212 is a wasteful number, since it uses less digits than its factorization.

12230031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503065 (or 4503063 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12230031212 its reverse (21213003221), we get a palindrome (33443034433).

The spelling of 12230031212 in words is "twelve billion, two hundred thirty million, thirty-one thousand, two hundred twelve".