12212301121117 has 2 divisors, whose sum is σ = 12212301121118. Its totient is φ = 12212301121116.

The previous prime is 12212301121099. The next prime is 12212301121121. The reversal of 12212301121117 is 71112110321221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11333227988196 + 879073132921 = 3366486^2 + 937589^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212301121117 - 2²³ = 12212292732509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12212301121091 and 12212301121100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212301121147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106150560558 + 6106150560559.

It is an arithmetic number, because the mean of its divisors is an integer number (6106150560559).

Almost surely, 2^{12212301121117} is an apocalyptic number.

It is an amenable number.

12212301121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212301121117 is an equidigital number, since it uses as much as digits as its factorization.

12212301121117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 12212301121117 its reverse (71112110321221), we get a palindrome (83324411442338).

The spelling of 12212301121117 in words is "twelve trillion, two hundred twelve billion, three hundred one million, one hundred twenty-one thousand, one hundred seventeen".