211132612 has 6 divisors (see below), whose sum is σ = 369482078. Its totient is φ = 105566304.

The previous prime is 211132591. The next prime is 211132627. The reversal of 211132612 is 216231112.

It can be written as a sum of positive squares in only one way, i.e., 117158976 + 93973636 = 10824^2 + 9694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211132612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26391573 + ... + 26391580.

Almost surely, 2^211132612 is an apocalyptic number.

It is an amenable number.

211132612 is a deficient number, since it is larger than the sum of its proper divisors (158349466).

211132612 is a wasteful number, since it uses less digits than its factorization.

211132612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52783157 (or 52783155 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 211132612 is about 14530.4030226281. The cubic root of 211132612 is about 595.4588762945.

Adding to 211132612 its reverse (216231112), we get a palindrome (427363724).

The spelling of 211132612 in words is "two hundred eleven million, one hundred thirty-two thousand, six hundred twelve".