12666324143 has 8 divisors (see below), whose sum is σ = 13992718080. Its totient is φ = 11369081880.

The previous prime is 12666324137. The next prime is 12666324149. The reversal of 12666324143 is 34142366621.

It is an interprime number because it is at equal distance from previous prime (12666324137) and next prime (12666324149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12666324143 - 2¹⁰ = 12666323119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12666324097 and 12666324106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12666324149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7287005 + ... + 7288742.

It is an arithmetic number, because the mean of its divisors is an integer number (1749089760).

Almost surely, 2^12666324143 is an apocalyptic number.

12666324143 is a deficient number, since it is larger than the sum of its proper divisors (1326393937).

12666324143 is a wasteful number, since it uses less digits than its factorization.

12666324143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575837.

The product of its digits is 124416, while the sum is 38.

The spelling of 12666324143 in words is "twelve billion, six hundred sixty-six million, three hundred twenty-four thousand, one hundred forty-three".