201210210212212 has 12 divisors (see below), whose sum is σ = 352393606226340. Its totient is φ = 100526322718976.

The previous prime is 201210210212173. The next prime is 201210210212233. The reversal of 201210210212212 is 212212012012102.

It can be written as a sum of positive squares in 2 ways, for example, as 139960115064676 + 61250095147536 = 11830474^2 + 7826244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201210210212212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19695591037 + ... + 19695601252.

It is an arithmetic number, because the mean of its divisors is an integer number (29366133852195).

Almost surely, 2^{201210210212212} is an apocalyptic number.

It is an amenable number.

201210210212212 is a deficient number, since it is larger than the sum of its proper divisors (151183396014128).

201210210212212 is a wasteful number, since it uses less digits than its factorization.

201210210212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39391193570 (or 39391193568 counting only the distinct ones).

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

Adding to 201210210212212 its reverse (212212012012102), we get a palindrome (413422222224314).

The spelling of 201210210212212 in words is "two hundred one trillion, two hundred ten billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".