4321212347 has 2 divisors, whose sum is σ = 4321212348. Its totient is φ = 4321212346.

The previous prime is 4321212323. The next prime is 4321212349. The reversal of 4321212347 is 7432121234.

4321212347 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4321212347 - 2¹² = 4321208251 is a prime.

It is a super-2 number, since 2×4321212347² = 37345752295730496818, which contains 22 as substring.

Together with 4321212349, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (4321212349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160606173 + 2160606174.

It is an arithmetic number, because the mean of its divisors is an integer number (2160606174).

Almost surely, 2^4321212347 is an apocalyptic number.

4321212347 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321212347 is an equidigital number, since it uses as much as digits as its factorization.

4321212347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 4321212347 is about 65735.9288897632. The cubic root of 4321212347 is about 1628.8029083024.

The spelling of 4321212347 in words is "four billion, three hundred twenty-one million, two hundred twelve thousand, three hundred forty-seven".