212065714321 has 4 divisors (see below), whose sum is σ = 212072515072. Its totient is φ = 212058913572.

The previous prime is 212065714303. The next prime is 212065714339. The reversal of 212065714321 is 123417560212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (212065714303) and next prime (212065714339).

It is a cyclic number.

It is not a de Polignac number, because 212065714321 - 2¹¹ = 212065712273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212065711321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353385 + ... + 3416038.

It is an arithmetic number, because the mean of its divisors is an integer number (53018128768).

Almost surely, 2^212065714321 is an apocalyptic number.

It is an amenable number.

212065714321 is a deficient number, since it is larger than the sum of its proper divisors (6800751).

212065714321 is an equidigital number, since it uses as much as digits as its factorization.

212065714321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800750.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 212065714321 in words is "two hundred twelve billion, sixty-five million, seven hundred fourteen thousand, three hundred twenty-one".