321203343012001 has 2 divisors, whose sum is σ = 321203343012002. Its totient is φ = 321203343012000.

The previous prime is 321203343011921. The next prime is 321203343012037. The reversal of 321203343012001 is 100210343302123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215269021858401 + 105934321153600 = 14672049^2 + 10292440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321203343012001 is a prime.

It is not a weakly prime, because it can be changed into another prime (321203343012091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160601671506000 + 160601671506001.

It is an arithmetic number, because the mean of its divisors is an integer number (160601671506001).

Almost surely, 2^{321203343012001} is an apocalyptic number.

It is an amenable number.

321203343012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

321203343012001 is an equidigital number, since it uses as much as digits as its factorization.

321203343012001 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 25.

Adding to 321203343012001 its reverse (100210343302123), we get a palindrome (421413686314124).

The spelling of 321203343012001 in words is "three hundred twenty-one trillion, two hundred three billion, three hundred forty-three million, twelve thousand, one".