12012122210012 has 24 divisors (see below), whose sum is σ = 22080445804032. Its totient is φ = 5706882126000.

The previous prime is 12012122209931. The next prime is 12012122210047. The reversal of 12012122210012 is 21001222121021.

It is a congruent number.

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, 432325664 + ... + 432353447.

It is an arithmetic number, because the mean of its divisors is an integer number (920018575168).

Almost surely, 2^{12012122210012} is an apocalyptic number.

It is an amenable number.

12012122210012 is a deficient number, since it is larger than the sum of its proper divisors (10068323594020).

12012122210012 is a wasteful number, since it uses less digits than its factorization.

12012122210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864679289 (or 864679287 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012122210012 its reverse (21001222121021), we get a palindrome (33013344331033).

The spelling of 12012122210012 in words is "twelve trillion, twelve billion, one hundred twenty-two million, two hundred ten thousand, twelve".