211203212012 has 18 divisors (see below), whose sum is σ = 400223839428. Its totient is φ = 97478405232.

The previous prime is 211203211979. The next prime is 211203212021. The reversal of 211203212012 is 210212302112.

211203212012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×211203212012³ (a number of 35 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 156214718 + ... + 156216069.

It is an arithmetic number, because the mean of its divisors is an integer number (22234657746).

Almost surely, 2^211203212012 is an apocalyptic number.

It is an amenable number.

211203212012 is a deficient number, since it is larger than the sum of its proper divisors (189020627416).

211203212012 is a wasteful number, since it uses less digits than its factorization.

211203212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312430817 (or 312430802 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211203212012 its reverse (210212302112), we get a palindrome (421415514124).

The spelling of 211203212012 in words is "two hundred eleven billion, two hundred three million, two hundred twelve thousand, twelve".