12021321200263 has 2 divisors, whose sum is σ = 12021321200264. Its totient is φ = 12021321200262.

The previous prime is 12021321200191. The next prime is 12021321200311. The reversal of 12021321200263 is 36200212312021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021321200263 - 2⁹ = 12021321199751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021321200363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010660600131 + 6010660600132.

It is an arithmetic number, because the mean of its divisors is an integer number (6010660600132).

Almost surely, 2^{12021321200263} is an apocalyptic number.

12021321200263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021321200263 is an equidigital number, since it uses as much as digits as its factorization.

12021321200263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12021321200263 its reverse (36200212312021), we get a palindrome (48221533512284).

The spelling of 12021321200263 in words is "twelve trillion, twenty-one billion, three hundred twenty-one million, two hundred thousand, two hundred sixty-three".