212243411 has 8 divisors (see below), whose sum is σ = 213827520. Its totient is φ = 210665448.

The previous prime is 212243407. The next prime is 212243413. The reversal of 212243411 is 114342212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212243411 - 2² = 212243407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212243413) 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, 84800 + ... + 87266.

It is an arithmetic number, because the mean of its divisors is an integer number (26728440).

Almost surely, 2^212243411 is an apocalyptic number.

212243411 is a deficient number, since it is larger than the sum of its proper divisors (1584109).

212243411 is a wasteful number, since it uses less digits than its factorization.

212243411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its digits is 384, while the sum is 20.

The square root of 212243411 is about 14568.5761486839. The cubic root of 212243411 is about 596.5013151804.

Adding to 212243411 its reverse (114342212), we get a palindrome (326585623).

The spelling of 212243411 in words is "two hundred twelve million, two hundred forty-three thousand, four hundred eleven".