200012321321 has 2 divisors, whose sum is σ = 200012321322. Its totient is φ = 200012321320.

The previous prime is 200012321273. The next prime is 200012321329. The reversal of 200012321321 is 123123210002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191199805696 + 8812515625 = 437264^2 + 93875^2 .

It is a cyclic number.

It is not a de Polignac number, because 200012321321 - 2¹⁴ = 200012304937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200012321321.

It is not a weakly prime, because it can be changed into another prime (200012321329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006160660 + 100006160661.

It is an arithmetic number, because the mean of its divisors is an integer number (100006160661).

Almost surely, 2^200012321321 is an apocalyptic number.

It is an amenable number.

200012321321 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012321321 is an equidigital number, since it uses as much as digits as its factorization.

200012321321 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 200012321321 its reverse (123123210002), we get a palindrome (323135531323).

The spelling of 200012321321 in words is "two hundred billion, twelve million, three hundred twenty-one thousand, three hundred twenty-one".