211232996 has 24 divisors (see below), whose sum is σ = 404625144. Its totient is φ = 95892480.

The previous prime is 211232971. The next prime is 211233017. The reversal of 211232996 is 699232112.

It can be written as a sum of positive squares in 4 ways, for example, as 5712100 + 205520896 = 2390^2 + 14336^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30125 + ... + 36468.

It is an arithmetic number, because the mean of its divisors is an integer number (16859381).

Almost surely, 2^211232996 is an apocalyptic number.

211232996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

211232996 is a deficient number, since it is larger than the sum of its proper divisors (193392148).

211232996 is a wasteful number, since it uses less digits than its factorization.

211232996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66671 (or 66669 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 211232996 is about 14533.8568865941. The cubic root of 211232996 is about 595.5532325893.

The spelling of 211232996 in words is "two hundred eleven million, two hundred thirty-two thousand, nine hundred ninety-six".