12117066519 has 8 divisors (see below), whose sum is σ = 16204030960. Its totient is φ = 8054073216.

The previous prime is 12117066463. The next prime is 12117066527. The reversal of 12117066519 is 91566071121.

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

It is not a de Polignac number, because 12117066519 - 2⁷ = 12117066391 is a prime.

It is a super-2 number, since 2×12117066519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117066529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5991604 + ... + 5993625.

It is an arithmetic number, because the mean of its divisors is an integer number (2025503870).

Almost surely, 2^12117066519 is an apocalyptic number.

12117066519 is a deficient number, since it is larger than the sum of its proper divisors (4086964441).

12117066519 is a wasteful number, since it uses less digits than its factorization.

12117066519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11985569.

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 12117066519 in words is "twelve billion, one hundred seventeen million, sixty-six thousand, five hundred nineteen".