212430233111 has 4 divisors (see below), whose sum is σ = 212439069192. Its totient is φ = 212421397032.

The previous prime is 212430233083. The next prime is 212430233189. The reversal of 212430233111 is 111332034212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212430233111 - 2¹⁴ = 212430216727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212430233711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4381880 + ... + 4430093.

It is an arithmetic number, because the mean of its divisors is an integer number (53109767298).

Almost surely, 2^212430233111 is an apocalyptic number.

212430233111 is a deficient number, since it is larger than the sum of its proper divisors (8836081).

212430233111 is an equidigital number, since it uses as much as digits as its factorization.

212430233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8836080.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212430233111 its reverse (111332034212), we get a palindrome (323762267323).

The spelling of 212430233111 in words is "two hundred twelve billion, four hundred thirty million, two hundred thirty-three thousand, one hundred eleven".