3212122013729 has 2 divisors, whose sum is σ = 3212122013730. Its totient is φ = 3212122013728.

The previous prime is 3212122013717. The next prime is 3212122013747. The reversal of 3212122013729 is 9273102212123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2917759341025 + 294362672704 = 1708145^2 + 542552^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212122013729 - 2²⁴ = 3212105236513 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212122013129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606061006864 + 1606061006865.

It is an arithmetic number, because the mean of its divisors is an integer number (1606061006865).

Almost surely, 2^{3212122013729} is an apocalyptic number.

It is an amenable number.

3212122013729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212122013729 is an equidigital number, since it uses as much as digits as its factorization.

3212122013729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 3212122013729 in words is "three trillion, two hundred twelve billion, one hundred twenty-two million, thirteen thousand, seven hundred twenty-nine".