211212110212 has 48 divisors (see below), whose sum is σ = 376337404800. Its totient is φ = 103707648000.

The previous prime is 211212110201. The next prime is 211212110227. The reversal of 211212110212 is 212011212112.

It is a super-2 number, since 2×211212110212² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26607108 + ... + 26615044.

It is an arithmetic number, because the mean of its divisors is an integer number (7840362600).

Almost surely, 2^211212110212 is an apocalyptic number.

It is an amenable number.

211212110212 is a deficient number, since it is larger than the sum of its proper divisors (165125294588).

211212110212 is a wasteful number, since it uses less digits than its factorization.

211212110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572 (or 8570 counting only the distinct ones).

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

Adding to 211212110212 its reverse (212011212112), we get a palindrome (423223322324).

The spelling of 211212110212 in words is "two hundred eleven billion, two hundred twelve million, one hundred ten thousand, two hundred twelve".