12235040143 has 4 divisors (see below), whose sum is σ = 12328437528. Its totient is φ = 12141642760.

The previous prime is 12235040093. The next prime is 12235040149. The reversal of 12235040143 is 34104053221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12235040143 - 2²⁵ = 12201485711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235040149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46698496 + ... + 46698757.

It is an arithmetic number, because the mean of its divisors is an integer number (3082109382).

Almost surely, 2^12235040143 is an apocalyptic number.

12235040143 is a deficient number, since it is larger than the sum of its proper divisors (93397385).

12235040143 is an equidigital number, since it uses as much as digits as its factorization.

12235040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93397384.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12235040143 its reverse (34104053221), we get a palindrome (46339093364).

The spelling of 12235040143 in words is "twelve billion, two hundred thirty-five million, forty thousand, one hundred forty-three".