12116421210170 has 8 divisors (see below), whose sum is σ = 21809558178324. Its totient is φ = 4846568484064.

The previous prime is 12116421210161. The next prime is 12116421210197. The reversal of 12116421210170 is 7101212461121.

It can be written as a sum of positive squares in 2 ways, for example, as 12113622694369 + 2798515801 = 3480463^2 + 52901^2 .

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

It is a super-2 number, since 2×12116421210170² (a number of 27 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, 605821060499 + ... + 605821060518.

Almost surely, 2^{12116421210170} is an apocalyptic number.

12116421210170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12116421210170 is a deficient number, since it is larger than the sum of its proper divisors (9693136968154).

12116421210170 is a wasteful number, since it uses less digits than its factorization.

12116421210170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211642121024.

The product of its (nonzero) digits is 1344, while the sum is 29.

Adding to 12116421210170 its reverse (7101212461121), we get a palindrome (19217633671291).

The spelling of 12116421210170 in words is "twelve trillion, one hundred sixteen billion, four hundred twenty-one million, two hundred ten thousand, one hundred seventy".