1212834017 has 2 divisors, whose sum is σ = 1212834018. Its totient is φ = 1212834016.

The previous prime is 1212834001. The next prime is 1212834019. The reversal of 1212834017 is 7104382121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023744016 + 189090001 = 31996^2 + 13751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212834017 - 2⁴ = 1212834001 is a prime.

Together with 1212834019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1212834019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606417008 + 606417009.

It is an arithmetic number, because the mean of its divisors is an integer number (606417009).

Almost surely, 2^1212834017 is an apocalyptic number.

It is an amenable number.

1212834017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212834017 is an equidigital number, since it uses as much as digits as its factorization.

1212834017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1212834017 is about 34825.7665672990. The cubic root of 1212834017 is about 1066.4335260754.

The spelling of 1212834017 in words is "one billion, two hundred twelve million, eight hundred thirty-four thousand, seventeen".