12000221200951 has 2 divisors, whose sum is σ = 12000221200952. Its totient is φ = 12000221200950.

The previous prime is 12000221200789. The next prime is 12000221201053. The reversal of 12000221200951 is 15900212200021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000221200951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000221200351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000110600475 + 6000110600476.

It is an arithmetic number, because the mean of its divisors is an integer number (6000110600476).

Almost surely, 2^{12000221200951} is an apocalyptic number.

12000221200951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000221200951 is an equidigital number, since it uses as much as digits as its factorization.

12000221200951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 12000221200951 its reverse (15900212200021), we get a palindrome (27900433400972).

The spelling of 12000221200951 in words is "twelve trillion, two hundred twenty-one million, two hundred thousand, nine hundred fifty-one".