321212120213301 has 4 divisors (see below), whose sum is σ = 428282826951072. Its totient is φ = 214141413475532.

The previous prime is 321212120213183. The next prime is 321212120213317. The reversal of 321212120213301 is 103312021212123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321212120213301 - 2³⁹ = 320662364399413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321212120217301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53535353368881 + ... + 53535353368886.

It is an arithmetic number, because the mean of its divisors is an integer number (107070706737768).

Almost surely, 2^{321212120213301} is an apocalyptic number.

It is an amenable number.

321212120213301 is a deficient number, since it is larger than the sum of its proper divisors (107070706737771).

321212120213301 is a wasteful number, since it uses less digits than its factorization.

321212120213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107070706737770.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 321212120213301 its reverse (103312021212123), we get a palindrome (424524141425424).

The spelling of 321212120213301 in words is "three hundred twenty-one trillion, two hundred twelve billion, one hundred twenty million, two hundred thirteen thousand, three hundred one".