12012200011012 has 12 divisors (see below), whose sum is σ = 21028051141020. Its totient is φ = 6004185399296.

The previous prime is 12012200011003. The next prime is 12012200011037. The reversal of 12012200011012 is 21011000221021.

It can be written as a sum of positive squares in 2 ways, for example, as 11462179021056 + 550020989956 = 3385584^2 + 741634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12012200010983 and 12012200011001.

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, 478637437 + ... + 478662532.

It is an arithmetic number, because the mean of its divisors is an integer number (1752337595085).

Almost surely, 2^{12012200011012} is an apocalyptic number.

It is an amenable number.

12012200011012 is a deficient number, since it is larger than the sum of its proper divisors (9015851130008).

12012200011012 is a wasteful number, since it uses less digits than its factorization.

12012200011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957303110 (or 957303108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012200011012 its reverse (21011000221021), we get a palindrome (33023200232033).

The spelling of 12012200011012 in words is "twelve trillion, twelve billion, two hundred million, eleven thousand, twelve".