12117670465 has 16 divisors (see below), whose sum is σ = 15613430400. Its totient is φ = 8995383040.

The previous prime is 12117670463. The next prime is 12117670469. The reversal of 12117670465 is 56407671121.

It is not a de Polignac number, because 12117670465 - 2¹ = 12117670463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12117670463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997915 + ... + 1009984.

It is an arithmetic number, because the mean of its divisors is an integer number (975839400).

Almost surely, 2^12117670465 is an apocalyptic number.

It is an amenable number.

12117670465 is a deficient number, since it is larger than the sum of its proper divisors (3495759935).

12117670465 is a wasteful number, since it uses less digits than its factorization.

12117670465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007992.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 12117670465 in words is "twelve billion, one hundred seventeen million, six hundred seventy thousand, four hundred sixty-five".