12691848143 has 8 divisors (see below), whose sum is σ = 13675939200. Its totient is φ = 11708870688.

The previous prime is 12691848131. The next prime is 12691848157. The reversal of 12691848143 is 34184819621.

It is a happy number.

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 12691848143 - 2⁸ = 12691847887 is a prime.

It is a super-3 number, since 3×12691848143³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12691848643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 254648 + ... + 300381.

It is an arithmetic number, because the mean of its divisors is an integer number (1709492400).

Almost surely, 2^12691848143 is an apocalyptic number.

12691848143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12691848143 is a deficient number, since it is larger than the sum of its proper divisors (984091057).

12691848143 is a wasteful number, since it uses less digits than its factorization.

12691848143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556801.

The product of its digits is 331776, while the sum is 47.

The spelling of 12691848143 in words is "twelve billion, six hundred ninety-one million, eight hundred forty-eight thousand, one hundred forty-three".