12112666999645 has 16 divisors (see below), whose sum is σ = 15303778776000. Its totient is φ = 9177985870848.

The previous prime is 12112666999639. The next prime is 12112666999663. The reversal of 12112666999645 is 54699966621121.

It is a cyclic number.

It is not a de Polignac number, because 12112666999645 - 2⁵ = 12112666999613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14456355 + ... + 15271264.

It is an arithmetic number, because the mean of its divisors is an integer number (956486173500).

Almost surely, 2^{12112666999645} is an apocalyptic number.

It is an amenable number.

12112666999645 is a deficient number, since it is larger than the sum of its proper divisors (3191111776355).

12112666999645 is a wasteful number, since it uses less digits than its factorization.

12112666999645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29731932.

The product of its digits is 75582720, while the sum is 67.

The spelling of 12112666999645 in words is "twelve trillion, one hundred twelve billion, six hundred sixty-six million, nine hundred ninety-nine thousand, six hundred forty-five".