12140665143 has 8 divisors (see below), whose sum is σ = 16190999808. Its totient is φ = 8092053624.

The previous prime is 12140665139. The next prime is 12140665151. The reversal of 12140665143 is 34156604121.

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

It is not a de Polignac number, because 12140665143 - 2² = 12140665139 is a prime.

It is a super-2 number, since 2×12140665143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140665343) 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, 414255 + ... + 442592.

It is an arithmetic number, because the mean of its divisors is an integer number (2023874976).

Almost surely, 2^12140665143 is an apocalyptic number.

12140665143 is a deficient number, since it is larger than the sum of its proper divisors (4050334665).

12140665143 is an equidigital number, since it uses as much as digits as its factorization.

12140665143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861573.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 12140665143 in words is "twelve billion, one hundred forty million, six hundred sixty-five thousand, one hundred forty-three".