204343112212 has 12 divisors (see below), whose sum is σ = 357638166900. Its totient is φ = 102160778816.

The previous prime is 204343112209. The next prime is 204343112327. The reversal of 204343112212 is 212211343402.

204343112212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 72337329936 + 132005782276 = 268956^2 + 363326^2 .

It is a super-2 number, since 2×204343112212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2651587 + ... + 2727562.

It is an arithmetic number, because the mean of its divisors is an integer number (29803180575).

Almost surely, 2^204343112212 is an apocalyptic number.

It is an amenable number.

204343112212 is a deficient number, since it is larger than the sum of its proper divisors (153295054688).

204343112212 is a wasteful number, since it uses less digits than its factorization.

204343112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388650 (or 5388648 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204343112212 its reverse (212211343402), we get a palindrome (416554455614).

The spelling of 204343112212 in words is "two hundred four billion, three hundred forty-three million, one hundred twelve thousand, two hundred twelve".