211040712 has 48 divisors (see below), whose sum is σ = 577247580. Its totient is φ = 69648000.

The previous prime is 211040707. The next prime is 211040749. The reversal of 211040712 is 217040112.

It can be written as a sum of positive squares in 2 ways, for example, as 139570596 + 71470116 = 11814^2 + 8454^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7239 + ... + 21782.

Almost surely, 2^211040712 is an apocalyptic number.

It is an amenable number.

211040712 is an abundant number, since it is smaller than the sum of its proper divisors (366206868).

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

211040712 is a wasteful number, since it uses less digits than its factorization.

211040712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29134 (or 29127 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 211040712 is about 14527.2403435752. The cubic root of 211040712 is about 595.3724683384.

Adding to 211040712 its reverse (217040112), we get a palindrome (428080824).

The spelling of 211040712 in words is "two hundred eleven million, forty thousand, seven hundred twelve".