12117734699 has 8 divisors (see below), whose sum is σ = 13978268928. Its totient is φ = 10289557800.

The previous prime is 12117734693. The next prime is 12117734711. The reversal of 12117734699 is 99643771121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12117734699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12117734693) 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, 8088527 + ... + 8090024.

It is an arithmetic number, because the mean of its divisors is an integer number (1747283616).

Almost surely, 2^12117734699 is an apocalyptic number.

12117734699 is a deficient number, since it is larger than the sum of its proper divisors (1860534229).

12117734699 is a wasteful number, since it uses less digits than its factorization.

12117734699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16178665.

The product of its digits is 571536, while the sum is 50.

The spelling of 12117734699 in words is "twelve billion, one hundred seventeen million, seven hundred thirty-four thousand, six hundred ninety-nine".