12000220312 has 16 divisors (see below), whose sum is σ = 22504173840. Its totient is φ = 5999107296.

The previous prime is 12000220301. The next prime is 12000220319. The reversal of 12000220312 is 21302200021.

It is a junction number, because it is equal to n+sod(n) for n = 12000220292 and 12000220301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000220319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73228 + ... + 171355.

It is an arithmetic number, because the mean of its divisors is an integer number (1406510865).

Almost surely, 2^12000220312 is an apocalyptic number.

It is an amenable number.

12000220312 is a deficient number, since it is larger than the sum of its proper divisors (10503953528).

12000220312 is a wasteful number, since it uses less digits than its factorization.

12000220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250722 (or 250718 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12000220312 its reverse (21302200021), we get a palindrome (33302420333).

The spelling of 12000220312 in words is "twelve billion, two hundred twenty thousand, three hundred twelve".