321012042010447 has 2 divisors, whose sum is σ = 321012042010448. Its totient is φ = 321012042010446.

The previous prime is 321012042010421. The next prime is 321012042010459. The reversal of 321012042010447 is 744010240210123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321012042010447 - 2³¹ = 321009894526799 is a prime.

It is a super-2 number, since 2×321012042010447² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321012042110447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160506021005223 + 160506021005224.

It is an arithmetic number, because the mean of its divisors is an integer number (160506021005224).

Almost surely, 2^{321012042010447} is an apocalyptic number.

321012042010447 is a deficient number, since it is larger than the sum of its proper divisors (1).

321012042010447 is an equidigital number, since it uses as much as digits as its factorization.

321012042010447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 321012042010447 in words is "three hundred twenty-one trillion, twelve billion, forty-two million, ten thousand, four hundred forty-seven".