211012212211212 has 12 divisors (see below), whose sum is σ = 492361828492856. Its totient is φ = 70337404070400.

The previous prime is 211012212211193. The next prime is 211012212211243. The reversal of 211012212211212 is 212112212210112.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792175508789 + ... + 8792175508812.

Almost surely, 2^{211012212211212} is an apocalyptic number.

It is an amenable number.

211012212211212 is an abundant number, since it is smaller than the sum of its proper divisors (281349616281644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211012212211212 is a wasteful number, since it uses less digits than its factorization.

211012212211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584351017608 (or 17584351017606 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 211012212211212 its reverse (212112212210112), we get a palindrome (423124424421324).

The spelling of 211012212211212 in words is "two hundred eleven trillion, twelve billion, two hundred twelve million, two hundred eleven thousand, two hundred twelve".