321212222063 has 2 divisors, whose sum is σ = 321212222064. Its totient is φ = 321212222062.

The previous prime is 321212221997. The next prime is 321212222069. The reversal of 321212222063 is 360222212123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321212222063 - 2¹⁰ = 321212221039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321212222069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160606111031 + 160606111032.

It is an arithmetic number, because the mean of its divisors is an integer number (160606111032).

Almost surely, 2^321212222063 is an apocalyptic number.

321212222063 is a deficient number, since it is larger than the sum of its proper divisors (1).

321212222063 is an equidigital number, since it uses as much as digits as its factorization.

321212222063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321212222063 its reverse (360222212123), we get a palindrome (681434434186).

The spelling of 321212222063 in words is "three hundred twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, sixty-three".