12117836673 has 12 divisors (see below), whose sum is σ = 18107112660. Its totient is φ = 7799986656.

The previous prime is 12117836671. The next prime is 12117836677. The reversal of 12117836673 is 37663871121.

12117836673 is a `hidden beast` number, since 1 + 211 + 7 + 8 + 366 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6729249024 + 5388587649 = 82032^2 + 73407^2 .

It is not a de Polignac number, because 12117836673 - 2¹ = 12117836671 is a prime.

It is a super-4 number, since 4×12117836673⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12117836671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23213986 + ... + 23214507.

It is an arithmetic number, because the mean of its divisors is an integer number (1508926055).

Almost surely, 2^12117836673 is an apocalyptic number.

It is an amenable number.

12117836673 is a deficient number, since it is larger than the sum of its proper divisors (5989275987).

12117836673 is a wasteful number, since it uses less digits than its factorization.

12117836673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46428528 (or 46428525 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 12117836673 in words is "twelve billion, one hundred seventeen million, eight hundred thirty-six thousand, six hundred seventy-three".