212011222112012 has 6 divisors (see below), whose sum is σ = 371019638696028. Its totient is φ = 106005611056004.

The previous prime is 212011222111981. The next prime is 212011222112057. The reversal of 212011222112012 is 210211222110212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501402763998 + ... + 26501402764005.

It is an arithmetic number, because the mean of its divisors is an integer number (61836606449338).

Almost surely, 2^{212011222112012} is an apocalyptic number.

It is an amenable number.

212011222112012 is a deficient number, since it is larger than the sum of its proper divisors (159008416584016).

212011222112012 is a wasteful number, since it uses less digits than its factorization.

212011222112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53002805528007 (or 53002805528005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212011222112012 its reverse (210211222110212), we get a palindrome (422222444222224).

The spelling of 212011222112012 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-two million, one hundred twelve thousand, twelve".