211033012 has 12 divisors (see below), whose sum is σ = 371443716. Its totient is φ = 104906240.

The previous prime is 211032989. The next prime is 211033013. The reversal of 211033012 is 210330112.

It can be written as a sum of positive squares in 2 ways, for example, as 189447696 + 21585316 = 13764^2 + 4646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211032983 and 211033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211033013) 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, 151789 + ... + 153172.

It is an arithmetic number, because the mean of its divisors is an integer number (30953643).

Almost surely, 2^211033012 is an apocalyptic number.

It is an amenable number.

211033012 is a deficient number, since it is larger than the sum of its proper divisors (160410704).

211033012 is a wasteful number, since it uses less digits than its factorization.

211033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305138 (or 305136 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 211033012 is about 14526.9753217936. The cubic root of 211033012 is about 595.3652273599.

Adding to 211033012 its reverse (210330112), we get a palindrome (421363124).

The spelling of 211033012 in words is "two hundred eleven million, thirty-three thousand, twelve".