12021000022247 has 2 divisors, whose sum is σ = 12021000022248. Its totient is φ = 12021000022246.

The previous prime is 12021000022201. The next prime is 12021000022249. The reversal of 12021000022247 is 74222000012021.

It is a strong prime.

It is an emirp because it is prime and its reverse (74222000012021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021000022247 - 2⁶ = 12021000022183 is a prime.

Together with 12021000022249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021000022249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010500011123 + 6010500011124.

It is an arithmetic number, because the mean of its divisors is an integer number (6010500011124).

Almost surely, 2^{12021000022247} is an apocalyptic number.

12021000022247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021000022247 is an equidigital number, since it uses as much as digits as its factorization.

12021000022247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 12021000022247 its reverse (74222000012021), we get a palindrome (86243000034268).

The spelling of 12021000022247 in words is "twelve trillion, twenty-one billion, twenty-two thousand, two hundred forty-seven".