212304043311 has 8 divisors (see below), whose sum is σ = 284494531200. Its totient is φ = 140824792152.

The previous prime is 212304043279. The next prime is 212304043313. The reversal of 212304043311 is 113340403212.

It is a happy number.

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

It is not a de Polignac number, because 212304043311 - 2⁵ = 212304043279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212304043313) 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, 177808485 + ... + 177809678.

It is an arithmetic number, because the mean of its divisors is an integer number (35561816400).

Almost surely, 2^212304043311 is an apocalyptic number.

212304043311 is a deficient number, since it is larger than the sum of its proper divisors (72190487889).

212304043311 is a wasteful number, since it uses less digits than its factorization.

212304043311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355618365.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212304043311 its reverse (113340403212), we get a palindrome (325644446523).

The spelling of 212304043311 in words is "two hundred twelve billion, three hundred four million, forty-three thousand, three hundred eleven".