1213032017 has 2 divisors, whose sum is σ = 1213032018. Its totient is φ = 1213032016.

The previous prime is 1213031999. The next prime is 1213032019. The reversal of 1213032017 is 7102303121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 631064641 + 581967376 = 25121^2 + 24124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213032017 - 2⁸ = 1213031761 is a prime.

Together with 1213032019, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213032017.

It is not a weakly prime, because it can be changed into another prime (1213032019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606516008 + 606516009.

It is an arithmetic number, because the mean of its divisors is an integer number (606516009).

Almost surely, 2^1213032017 is an apocalyptic number.

It is an amenable number.

1213032017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213032017 is an equidigital number, since it uses as much as digits as its factorization.

1213032017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1213032017 is about 34828.6091740684. The cubic root of 1213032017 is about 1066.4915560959.

Adding to 1213032017 its reverse (7102303121), we get a palindrome (8315335138).

The spelling of 1213032017 in words is "one billion, two hundred thirteen million, thirty-two thousand, seventeen".