328612212701 has 2 divisors, whose sum is σ = 328612212702. Its totient is φ = 328612212700.

The previous prime is 328612212637. The next prime is 328612212781. The reversal of 328612212701 is 107212216823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326696837476 + 1915375225 = 571574^2 + 43765^2 .

It is an emirp because it is prime and its reverse (107212216823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328612212701 - 2⁶ = 328612212637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328612212781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164306106350 + 164306106351.

It is an arithmetic number, because the mean of its divisors is an integer number (164306106351).

Almost surely, 2^328612212701 is an apocalyptic number.

It is an amenable number.

328612212701 is a deficient number, since it is larger than the sum of its proper divisors (1).

328612212701 is an equidigital number, since it uses as much as digits as its factorization.

328612212701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 328612212701 in words is "three hundred twenty-eight billion, six hundred twelve million, two hundred twelve thousand, seven hundred one".