211212212000212 has 24 divisors (see below), whose sum is σ = 375875291004192. Its totient is φ = 103821064831200.

The previous prime is 211212212000201. The next prime is 211212212000213. The reversal of 211212212000212 is 212000212212112.

It is a super-2 number, since 2×211212212000212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211212212000212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212212000213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223667578 + ... + 224609905.

It is an arithmetic number, because the mean of its divisors is an integer number (15661470458508).

Almost surely, 2^{211212212000212} is an apocalyptic number.

It is an amenable number.

211212212000212 is a deficient number, since it is larger than the sum of its proper divisors (164663079003980).

211212212000212 is a wasteful number, since it uses less digits than its factorization.

211212212000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448279479 (or 448279477 counting only the distinct ones).

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

Adding to 211212212000212 its reverse (212000212212112), we get a palindrome (423212424212324).

The spelling of 211212212000212 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred twelve million, two hundred twelve", and thus it is an aban number.