12300212321 has 2 divisors, whose sum is σ = 12300212322. Its totient is φ = 12300212320.

The previous prime is 12300212303. The next prime is 12300212329. The reversal of 12300212321 is 12321200321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9415985296 + 2884227025 = 97036^2 + 53705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12300212321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12300212321.

It is not a weakly prime, because it can be changed into another prime (12300212329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150106160 + 6150106161.

It is an arithmetic number, because the mean of its divisors is an integer number (6150106161).

Almost surely, 2^12300212321 is an apocalyptic number.

It is an amenable number.

12300212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12300212321 is an equidigital number, since it uses as much as digits as its factorization.

12300212321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12300212321 its reverse (12321200321), we get a palindrome (24621412642).

The spelling of 12300212321 in words is "twelve billion, three hundred million, two hundred twelve thousand, three hundred twenty-one".