12220330012 has 12 divisors (see below), whose sum is σ = 23329721016. Its totient is φ = 5554695440.

The previous prime is 12220330009. The next prime is 12220330027. The reversal of 12220330012 is 21003302221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138867343 + ... + 138867430.

It is an arithmetic number, because the mean of its divisors is an integer number (1944143418).

Almost surely, 2^12220330012 is an apocalyptic number.

It is an amenable number.

12220330012 is a deficient number, since it is larger than the sum of its proper divisors (11109391004).

12220330012 is a wasteful number, since it uses less digits than its factorization.

12220330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277734788 (or 277734786 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12220330012 its reverse (21003302221), we get a palindrome (33223632233).

The spelling of 12220330012 in words is "twelve billion, two hundred twenty million, three hundred thirty thousand, twelve".