12066531144656 has 20 divisors (see below), whose sum is σ = 23382392127552. Its totient is φ = 6032365434336.

The previous prime is 12066531144497. The next prime is 12066531144683. The reversal of 12066531144656 is 65644113566021.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56148026 + ... + 56362521.

Almost surely, 2^{12066531144656} is an apocalyptic number.

12066531144656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12066531144656 is a deficient number, since it is larger than the sum of its proper divisors (11315860982896).

12066531144656 is a wasteful number, since it uses less digits than its factorization.

12066531144656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112517258 (or 112517252 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 12066531144656 in words is "twelve trillion, sixty-six billion, five hundred thirty-one million, one hundred forty-four thousand, six hundred fifty-six".