321221010212002 has 8 divisors (see below), whose sum is σ = 481832211692700. Its totient is φ = 160610272981104.

The previous prime is 321221010211931. The next prime is 321221010212071. The reversal of 321221010212002 is 200212010122123.

It can be written as a sum of positive squares in 2 ways, for example, as 271949749828201 + 49271260383801 = 16490899^2 + 7019349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 114327477 + ... + 117103432.

Almost surely, 2^{321221010212002} is an apocalyptic number.

321221010212002 is a deficient number, since it is larger than the sum of its proper divisors (160611201480698).

321221010212002 is a wasteful number, since it uses less digits than its factorization.

321221010212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232124900.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 321221010212002 its reverse (200212010122123), we get a palindrome (521433020334125).

The spelling of 321221010212002 in words is "three hundred twenty-one trillion, two hundred twenty-one billion, ten million, two hundred twelve thousand, two".