12012310312206 has 64 divisors (see below), whose sum is σ = 24695342622720. Its totient is φ = 3893952142080.

The previous prime is 12012310312111. The next prime is 12012310312213. The reversal of 12012310312206 is 60221301321021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34591816 + ... + 34937348.

It is an arithmetic number, because the mean of its divisors is an integer number (385864728480).

Almost surely, 2^{12012310312206} is an apocalyptic number.

12012310312206 is an abundant number, since it is smaller than the sum of its proper divisors (12683032310514).

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

12012310312206 is a wasteful number, since it uses less digits than its factorization.

12012310312206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346721.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12012310312206 its reverse (60221301321021), we get a palindrome (72233611633227).

The spelling of 12012310312206 in words is "twelve trillion, twelve billion, three hundred ten million, three hundred twelve thousand, two hundred six".