12022221973 has 2 divisors, whose sum is σ = 12022221974. Its totient is φ = 12022221972.

The previous prime is 12022221971. The next prime is 12022221989. The reversal of 12022221973 is 37912222021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11859863409 + 162358564 = 108903^2 + 12742^2 .

It is an emirp because it is prime and its reverse (37912222021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022221973 - 2¹ = 12022221971 is a prime.

Together with 12022221971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022221971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011110986 + 6011110987.

It is an arithmetic number, because the mean of its divisors is an integer number (6011110987).

Almost surely, 2^12022221973 is an apocalyptic number.

It is an amenable number.

12022221973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022221973 is an equidigital number, since it uses as much as digits as its factorization.

12022221973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 12022221973 its reverse (37912222021), we get a palindrome (49934443994).

The spelling of 12022221973 in words is "twelve billion, twenty-two million, two hundred twenty-one thousand, nine hundred seventy-three".