12221021212063 has 2 divisors, whose sum is σ = 12221021212064. Its totient is φ = 12221021212062.

The previous prime is 12221021212007. The next prime is 12221021212097. The reversal of 12221021212063 is 36021212012221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221021212063 - 2²¹ = 12221019114911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221021210063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110510606031 + 6110510606032.

It is an arithmetic number, because the mean of its divisors is an integer number (6110510606032).

Almost surely, 2^{12221021212063} is an apocalyptic number.

12221021212063 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221021212063 is an equidigital number, since it uses as much as digits as its factorization.

12221021212063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12221021212063 its reverse (36021212012221), we get a palindrome (48242233224284).

The spelling of 12221021212063 in words is "twelve trillion, two hundred twenty-one billion, twenty-one million, two hundred twelve thousand, sixty-three".