212220000012227 has 2 divisors, whose sum is σ = 212220000012228. Its totient is φ = 212220000012226.

The previous prime is 212220000012197. The next prime is 212220000012277. The reversal of 212220000012227 is 722210000022212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212220000012227 is a prime.

It is not a weakly prime, because it can be changed into another prime (212220000012277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110000006113 + 106110000006114.

It is an arithmetic number, because the mean of its divisors is an integer number (106110000006114).

Almost surely, 2^{212220000012227} is an apocalyptic number.

212220000012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

212220000012227 is an equidigital number, since it uses as much as digits as its factorization.

212220000012227 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 212220000012227 its reverse (722210000022212), we get a palindrome (934430000034439).

The spelling of 212220000012227 in words is "two hundred twelve trillion, two hundred twenty billion, twelve thousand, two hundred twenty-seven".