12036665143 has 8 divisors (see below), whose sum is σ = 12062373120. Its totient is φ = 12010986240.

The previous prime is 12036665051. The next prime is 12036665153. The reversal of 12036665143 is 34156663021.

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 12036665143 - 2²¹ = 12034567991 is a prime.

It is a super-2 number, since 2×12036665143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12036665153) 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, 951363 + ... + 963931.

It is an arithmetic number, because the mean of its divisors is an integer number (1507796640).

Almost surely, 2^12036665143 is an apocalyptic number.

12036665143 is a deficient number, since it is larger than the sum of its proper divisors (25707977).

12036665143 is a wasteful number, since it uses less digits than its factorization.

12036665143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14537.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 12036665143 in words is "twelve billion, thirty-six million, six hundred sixty-five thousand, one hundred forty-three".