4212224304345 has 24 divisors (see below), whose sum is σ = 7326107550216. Its totient is φ = 2238852319488.

The previous prime is 4212224304331. The next prime is 4212224304349. The reversal of 4212224304345 is 5434034222124.

4212224304345 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 2 + 2 + 4 + 304 + 345 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2663267330304 + 1548956974041 = 1631952^2 + 1244571^2 .

It is not a de Polignac number, because 4212224304345 - 2⁵ = 4212224304313 is a prime.

It is a super-2 number, since 2×4212224304345² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4212224304349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159722284 + ... + 159748653.

It is an arithmetic number, because the mean of its divisors is an integer number (305254481259).

Almost surely, 2^{4212224304345} is an apocalyptic number.

4212224304345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4212224304345 is a deficient number, since it is larger than the sum of its proper divisors (3113883245871).

4212224304345 is a wasteful number, since it uses less digits than its factorization.

4212224304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319471241 (or 319471238 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 4212224304345 its reverse (5434034222124), we get a palindrome (9646258526469).

The spelling of 4212224304345 in words is "four trillion, two hundred twelve billion, two hundred twenty-four million, three hundred four thousand, three hundred forty-five".