12168686747 has 32 divisors (see below), whose sum is σ = 14349412224. Its totient is φ = 10105344000.

The previous prime is 12168686741. The next prime is 12168686759. The reversal of 12168686747 is 74768686121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12168686747 - 2⁴ = 12168686731 is a prime.

It is a super-2 number, since 2×12168686747² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12168686692 and 12168686701.

It is not an unprimeable number, because it can be changed into a prime (12168686741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7069847 + ... + 7071567.

It is an arithmetic number, because the mean of its divisors is an integer number (448419132).

Almost surely, 2^12168686747 is an apocalyptic number.

12168686747 is a deficient number, since it is larger than the sum of its proper divisors (2180725477).

12168686747 is a wasteful number, since it uses less digits than its factorization.

12168686747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039.

The product of its digits is 5419008, while the sum is 56.

The spelling of 12168686747 in words is "twelve billion, one hundred sixty-eight million, six hundred eighty-six thousand, seven hundred forty-seven".