12101021417 has 2 divisors, whose sum is σ = 12101021418. Its totient is φ = 12101021416.

The previous prime is 12101021407. The next prime is 12101021431. The reversal of 12101021417 is 71412010121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12096480256 + 4541161 = 109984^2 + 2131^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101021417 - 2²⁴ = 12084244201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101021407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050510708 + 6050510709.

It is an arithmetic number, because the mean of its divisors is an integer number (6050510709).

Almost surely, 2^12101021417 is an apocalyptic number.

It is an amenable number.

12101021417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101021417 is an equidigital number, since it uses as much as digits as its factorization.

12101021417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 12101021417 its reverse (71412010121), we get a palindrome (83513031538).

The spelling of 12101021417 in words is "twelve billion, one hundred one million, twenty-one thousand, four hundred seventeen".