212000311212 has 12 divisors (see below), whose sum is σ = 494667392856. Its totient is φ = 70666770400.

The previous prime is 212000311207. The next prime is 212000311253. The reversal of 212000311212 is 212113000212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212000311191 and 212000311200.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8833346289 + ... + 8833346312.

It is an arithmetic number, because the mean of its divisors is an integer number (41222282738).

Almost surely, 2^212000311212 is an apocalyptic number.

It is an amenable number.

212000311212 is an abundant number, since it is smaller than the sum of its proper divisors (282667081644).

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

212000311212 is a wasteful number, since it uses less digits than its factorization.

212000311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666692608 (or 17666692606 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212000311212 its reverse (212113000212), we get a palindrome (424113311424).

The spelling of 212000311212 in words is "two hundred twelve billion, three hundred eleven thousand, two hundred twelve".