321212130203 has 2 divisors, whose sum is σ = 321212130204. Its totient is φ = 321212130202.

The previous prime is 321212130181. The next prime is 321212130227. The reversal of 321212130203 is 302031212123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321212130203 - 2¹⁰ = 321212129179 is a prime.

It is not a weakly prime, because it can be changed into another prime (321212330203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160606065101 + 160606065102.

It is an arithmetic number, because the mean of its divisors is an integer number (160606065102).

Almost surely, 2^321212130203 is an apocalyptic number.

321212130203 is a deficient number, since it is larger than the sum of its proper divisors (1).

321212130203 is an equidigital number, since it uses as much as digits as its factorization.

321212130203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321212130203 its reverse (302031212123), we get a palindrome (623243342326).

The spelling of 321212130203 in words is "three hundred twenty-one billion, two hundred twelve million, one hundred thirty thousand, two hundred three".