321212221039 has 2 divisors, whose sum is σ = 321212221040. Its totient is φ = 321212221038.

The previous prime is 321212221021. The next prime is 321212221063. The reversal of 321212221039 is 930122212123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321212221039 - 2¹⁷ = 321212089967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321212220998 and 321212221016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321212221009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160606110519 + 160606110520.

It is an arithmetic number, because the mean of its divisors is an integer number (160606110520).

Almost surely, 2^321212221039 is an apocalyptic number.

321212221039 is a deficient number, since it is larger than the sum of its proper divisors (1).

321212221039 is an equidigital number, since it uses as much as digits as its factorization.

321212221039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 321212221039 in words is "three hundred twenty-one billion, two hundred twelve million, two hundred twenty-one thousand, thirty-nine".