43213210207 has 2 divisors, whose sum is σ = 43213210208. Its totient is φ = 43213210206.

The previous prime is 43213210199. The next prime is 43213210223. The reversal of 43213210207 is 70201231234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43213210207 - 2³ = 43213210199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43213210247) 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 as a sum of consecutive naturals, namely, 21606605103 + 21606605104.

It is an arithmetic number, because the mean of its divisors is an integer number (21606605104).

Almost surely, 2^43213210207 is an apocalyptic number.

43213210207 is a deficient number, since it is larger than the sum of its proper divisors (1).

43213210207 is an equidigital number, since it uses as much as digits as its factorization.

43213210207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 43213210207 in words is "forty-three billion, two hundred thirteen million, two hundred ten thousand, two hundred seven".