1217324161706 has 8 divisors (see below), whose sum is σ = 1826052828420. Its totient is φ = 608639885568.

The previous prime is 1217324161667. The next prime is 1217324161721. The reversal of 1217324161706 is 6071614237121.

It can be written as a sum of positive squares in 2 ways, for example, as 1070283357025 + 147040804681 = 1034545^2 + 383459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1217324161706² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11029001 + ... + 11138828.

Almost surely, 2^{1217324161706} is an apocalyptic number.

1217324161706 is a deficient number, since it is larger than the sum of its proper divisors (608728666714).

1217324161706 is a wasteful number, since it uses less digits than its factorization.

1217324161706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22195288.

The product of its (nonzero) digits is 84672, while the sum is 41.

Adding to 1217324161706 its reverse (6071614237121), we get a palindrome (7288938398827).

The spelling of 1217324161706 in words is "one trillion, two hundred seventeen billion, three hundred twenty-four million, one hundred sixty-one thousand, seven hundred six".