103012123217 has 2 divisors, whose sum is σ = 103012123218. Its totient is φ = 103012123216.

The previous prime is 103012123183. The next prime is 103012123219. The reversal of 103012123217 is 712321210301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82125803776 + 20886319441 = 286576^2 + 144521^2 .

It is an emirp because it is prime and its reverse (712321210301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103012123217 - 2²² = 103007928913 is a prime.

It is a super-2 number, since 2×103012123217² (a number of 23 digits) contains 22 as substring.

Together with 103012123219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103012123192 and 103012123201.

It is not a weakly prime, because it can be changed into another prime (103012123219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51506061608 + 51506061609.

It is an arithmetic number, because the mean of its divisors is an integer number (51506061609).

Almost surely, 2^103012123217 is an apocalyptic number.

It is an amenable number.

103012123217 is a deficient number, since it is larger than the sum of its proper divisors (1).

103012123217 is an equidigital number, since it uses as much as digits as its factorization.

103012123217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 103012123217 its reverse (712321210301), we get a palindrome (815333333518).

The spelling of 103012123217 in words is "one hundred three billion, twelve million, one hundred twenty-three thousand, two hundred seventeen".