212312200231 has 4 divisors (see below), whose sum is σ = 212802529072. Its totient is φ = 211821871392.

The previous prime is 212312200169. The next prime is 212312200301. The reversal of 212312200231 is 132002213212.

212312200231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212312200231 - 2¹³ = 212312192039 is a prime.

It is a super-2 number, since 2×212312200231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212312200199 and 212312200208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212312200531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245163771 + ... + 245164636.

It is an arithmetic number, because the mean of its divisors is an integer number (53200632268).

Almost surely, 2^212312200231 is an apocalyptic number.

212312200231 is a deficient number, since it is larger than the sum of its proper divisors (490328841).

212312200231 is an equidigital number, since it uses as much as digits as its factorization.

212312200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490328840.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212312200231 its reverse (132002213212), we get a palindrome (344314413443).

The spelling of 212312200231 in words is "two hundred twelve billion, three hundred twelve million, two hundred thousand, two hundred thirty-one".