3212221020457 has 2 divisors, whose sum is σ = 3212221020458. Its totient is φ = 3212221020456.

The previous prime is 3212221020443. The next prime is 3212221020497. The reversal of 3212221020457 is 7540201222123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2795704385296 + 416516635161 = 1672036^2 + 645381^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212221020457 - 2³¹ = 3210073536809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3212221020497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606110510228 + 1606110510229.

It is an arithmetic number, because the mean of its divisors is an integer number (1606110510229).

Almost surely, 2^{3212221020457} is an apocalyptic number.

It is an amenable number.

3212221020457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212221020457 is an equidigital number, since it uses as much as digits as its factorization.

3212221020457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 3212221020457 in words is "three trillion, two hundred twelve billion, two hundred twenty-one million, twenty thousand, four hundred fifty-seven".