211885012 has 12 divisors (see below), whose sum is σ = 373255456. Its totient is φ = 105240600.

The previous prime is 211884997. The next prime is 211885013. The reversal of 211885012 is 210588112.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211885013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174798 + ... + 176005.

Almost surely, 2^211885012 is an apocalyptic number.

It is an amenable number.

211885012 is a deficient number, since it is larger than the sum of its proper divisors (161370444).

211885012 is a wasteful number, since it uses less digits than its factorization.

211885012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350958 (or 350956 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 211885012 is about 14556.2705388434. The cubic root of 211885012 is about 596.1653708336.

The spelling of 211885012 in words is "two hundred eleven million, eight hundred eighty-five thousand, twelve".