211232012 has 12 divisors (see below), whose sum is σ = 374110296. Its totient is φ = 104343360.

The previous prime is 211232011. The next prime is 211232051. The reversal of 211232012 is 210232112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211232011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317789 + ... + 318452.

It is an arithmetic number, because the mean of its divisors is an integer number (31175858).

Almost surely, 2^211232012 is an apocalyptic number.

It is an amenable number.

211232012 is a deficient number, since it is larger than the sum of its proper divisors (162878284).

211232012 is a wasteful number, since it uses less digits than its factorization.

211232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636328 (or 636326 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 211232012 is about 14533.8230345632. The cubic root of 211232012 is about 595.5523078202.

Adding to 211232012 its reverse (210232112), we get a palindrome (421464124).

The spelling of 211232012 in words is "two hundred eleven million, two hundred thirty-two thousand, twelve".