12112010100217 has 2 divisors, whose sum is σ = 12112010100218. Its totient is φ = 12112010100216.

The previous prime is 12112010100187. The next prime is 12112010100241. The reversal of 12112010100217 is 71200101021121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11708961610896 + 403048489321 = 3421836^2 + 634861^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112010100217 - 2²⁷ = 12111875882489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112010100194 and 12112010100203.

It is not a weakly prime, because it can be changed into another prime (12112010100017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056005050108 + 6056005050109.

It is an arithmetic number, because the mean of its divisors is an integer number (6056005050109).

Almost surely, 2^{12112010100217} is an apocalyptic number.

It is an amenable number.

12112010100217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112010100217 is an equidigital number, since it uses as much as digits as its factorization.

12112010100217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12112010100217 its reverse (71200101021121), we get a palindrome (83312111121338).

The spelling of 12112010100217 in words is "twelve trillion, one hundred twelve billion, ten million, one hundred thousand, two hundred seventeen".