212012210122012 has 6 divisors (see below), whose sum is σ = 371021367713528. Its totient is φ = 106006105061004.

The previous prime is 212012210121973. The next prime is 212012210122043. The reversal of 212012210122012 is 210221012210212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501526265248 + ... + 26501526265255.

Almost surely, 2^{212012210122012} is an apocalyptic number.

It is an amenable number.

212012210122012 is a deficient number, since it is larger than the sum of its proper divisors (159009157591516).

212012210122012 is a wasteful number, since it uses less digits than its factorization.

212012210122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53003052530507 (or 53003052530505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212012210122012 its reverse (210221012210212), we get a palindrome (422233222332224).

The spelling of 212012210122012 in words is "two hundred twelve trillion, twelve billion, two hundred ten million, one hundred twenty-two thousand, twelve".