12117735416 has 8 divisors (see below), whose sum is σ = 22720753920. Its totient is φ = 6058867704.

The previous prime is 12117735397. The next prime is 12117735491. The reversal of 12117735416 is 61453771121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12117735416² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12117735416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757358456 + ... + 757358471.

It is an arithmetic number, because the mean of its divisors is an integer number (2840094240).

Almost surely, 2^12117735416 is an apocalyptic number.

It is an amenable number.

12117735416 is a deficient number, since it is larger than the sum of its proper divisors (10603018504).

12117735416 is a wasteful number, since it uses less digits than its factorization.

12117735416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514716933 (or 1514716929 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The spelling of 12117735416 in words is "twelve billion, one hundred seventeen million, seven hundred thirty-five thousand, four hundred sixteen".