212122102011212 has 48 divisors (see below), whose sum is σ = 392371723441152. Its totient is φ = 100141713228480.

The previous prime is 212122102011203. The next prime is 212122102011221. The reversal of 212122102011212 is 212110201221212.

It is an interprime number because it is at equal distance from previous prime (212122102011203) and next prime (212122102011221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33042023 + ... + 38936094.

It is an arithmetic number, because the mean of its divisors is an integer number (8174410905024).

Almost surely, 2^{212122102011212} is an apocalyptic number.

It is an amenable number.

212122102011212 is a deficient number, since it is larger than the sum of its proper divisors (180249621429940).

212122102011212 is a wasteful number, since it uses less digits than its factorization.

212122102011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71978558 (or 71978556 counting only the distinct ones).

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

Adding to 212122102011212 its reverse (212110201221212), we get a palindrome (424232303232424).

The spelling of 212122102011212 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred two million, eleven thousand, two hundred twelve".