212011143212 has 12 divisors (see below), whose sum is σ = 404748546216. Its totient is φ = 96368701440.

The previous prime is 212011143181. The next prime is 212011143259. The reversal of 212011143212 is 212341110212.

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, 2409217493 + ... + 2409217580.

It is an arithmetic number, because the mean of its divisors is an integer number (33729045518).

Almost surely, 2^212011143212 is an apocalyptic number.

212011143212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212011143212 is a deficient number, since it is larger than the sum of its proper divisors (192737403004).

212011143212 is a wasteful number, since it uses less digits than its factorization.

212011143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818435088 (or 4818435086 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212011143212 its reverse (212341110212), we get a palindrome (424352253424).

The spelling of 212011143212 in words is "two hundred twelve billion, eleven million, one hundred forty-three thousand, two hundred twelve".