212323300231 has 4 divisors (see below), whose sum is σ = 242655200272. Its totient is φ = 181991400192.

The previous prime is 212323300213. The next prime is 212323300243. The reversal of 212323300231 is 132003323212.

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

It is not a de Polignac number, because 212323300231 - 2⁹ = 212323299719 is a prime.

It is a super-2 number, since 2×212323300231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323330231) 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, 15165950010 + ... + 15165950023.

It is an arithmetic number, because the mean of its divisors is an integer number (60663800068).

Almost surely, 2^212323300231 is an apocalyptic number.

212323300231 is a deficient number, since it is larger than the sum of its proper divisors (30331900041).

212323300231 is an equidigital number, since it uses as much as digits as its factorization.

212323300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331900040.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212323300231 its reverse (132003323212), we get a palindrome (344326623443).

The spelling of 212323300231 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred thousand, two hundred thirty-one".