12065404616 has 16 divisors (see below), whose sum is σ = 22876821900. Its totient is φ = 5964918784.

The previous prime is 12065404613. The next prime is 12065404633. The reversal of 12065404616 is 61640456021.

It can be written as a sum of positive squares in 2 ways, for example, as 11679124900 + 386279716 = 108070^2 + 19654^2 .

It is not an unprimeable number, because it can be changed into a prime (12065404613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8472185 + ... + 8473608.

Almost surely, 2^12065404616 is an apocalyptic number.

It is an amenable number.

12065404616 is a deficient number, since it is larger than the sum of its proper divisors (10811417284).

12065404616 is a wasteful number, since it uses less digits than its factorization.

12065404616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16945888 (or 16945884 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12065404616 in words is "twelve billion, sixty-five million, four hundred four thousand, six hundred sixteen".