211232712 has 32 divisors (see below), whose sum is σ = 529264800. Its totient is φ = 70253184.

The previous prime is 211232699. The next prime is 211232717. The reversal of 211232712 is 217232112.

211232712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211232717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339 + ... + 20597.

It is an arithmetic number, because the mean of its divisors is an integer number (16539525).

Almost surely, 2^211232712 is an apocalyptic number.

It is an amenable number.

211232712 is an abundant number, since it is smaller than the sum of its proper divisors (318032088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211232712 is a wasteful number, since it uses less digits than its factorization.

211232712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19725 (or 19721 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 211232712 is about 14533.8471163006. The cubic root of 211232712 is about 595.5529656847.

Adding to 211232712 its reverse (217232112), we get a palindrome (428464824).

The spelling of 211232712 in words is "two hundred eleven million, two hundred thirty-two thousand, seven hundred twelve".