211211000122012 has 24 divisors (see below), whose sum is σ = 416228129275392. Its totient is φ = 92908064569200.

The previous prime is 211211000122009. The next prime is 211211000122013. The reversal of 211211000122012 is 210221000112112.

It is a super-2 number, since 2×211211000122012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211000122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77423385778 + ... + 77423388505.

It is an arithmetic number, because the mean of its divisors is an integer number (17342838719808).

Almost surely, 2^{211211000122012} is an apocalyptic number.

211211000122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211211000122012 is a deficient number, since it is larger than the sum of its proper divisors (205017129153380).

211211000122012 is a wasteful number, since it uses less digits than its factorization.

211211000122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154846774329 (or 154846774327 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211211000122012 its reverse (210221000112112), we get a palindrome (421432000234124).

The spelling of 211211000122012 in words is "two hundred eleven trillion, two hundred eleven billion, one hundred twenty-two thousand, twelve".