211303012 has 24 divisors (see below), whose sum is σ = 379679832. Its totient is φ = 102835200.

The previous prime is 211302991. The next prime is 211303021. The reversal of 211303012 is 210303112.

It can be written as a sum of positive squares in 4 ways, for example, as 3481956 + 207821056 = 1866^2 + 14416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211302983 and 211303001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84208 + ... + 86680.

It is an arithmetic number, because the mean of its divisors is an integer number (15819993).

Almost surely, 2^211303012 is an apocalyptic number.

It is an amenable number.

211303012 is a deficient number, since it is larger than the sum of its proper divisors (168376820).

211303012 is a wasteful number, since it uses less digits than its factorization.

211303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039 (or 3037 counting only the distinct ones).

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

The square root of 211303012 is about 14536.2654075935. The cubic root of 211303012 is about 595.6190266803.

Adding to 211303012 its reverse (210303112), we get a palindrome (421606124).

It can be divided in two parts, 21130 and 3012, that added together give a palindrome (24142).

The spelling of 211303012 in words is "two hundred eleven million, three hundred three thousand, twelve".