2012403317 has 2 divisors, whose sum is σ = 2012403318. Its totient is φ = 2012403316.

The previous prime is 2012403247. The next prime is 2012403361. The reversal of 2012403317 is 7133042102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1604322916 + 408080401 = 40054^2 + 20201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012403317 - 2²² = 2008209013 is a prime.

It is a super-2 number, since 2×2012403317² = 8099534220545204978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012403292 and 2012403301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012403817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006201658 + 1006201659.

It is an arithmetic number, because the mean of its divisors is an integer number (1006201659).

Almost surely, 2^2012403317 is an apocalyptic number.

It is an amenable number.

2012403317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012403317 is an equidigital number, since it uses as much as digits as its factorization.

2012403317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2012403317 is about 44859.8185127849. The cubic root of 2012403317 is about 1262.5202175895.

Adding to 2012403317 its reverse (7133042102), we get a palindrome (9145445419).

The spelling of 2012403317 in words is "two billion, twelve million, four hundred three thousand, three hundred seventeen".