12143223100142 has 4 divisors (see below), whose sum is σ = 18214834650216. Its totient is φ = 6071611550070.

The previous prime is 12143223100139. The next prime is 12143223100243. The reversal of 12143223100142 is 24100132234121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3035805775034 + ... + 3035805775037.

It is an arithmetic number, because the mean of its divisors is an integer number (4553708662554).

Almost surely, 2^{12143223100142} is an apocalyptic number.

12143223100142 is a deficient number, since it is larger than the sum of its proper divisors (6071611550074).

12143223100142 is an equidigital number, since it uses as much as digits as its factorization.

12143223100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071611550073.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 12143223100142 its reverse (24100132234121), we get a palindrome (36243355334263).

The spelling of 12143223100142 in words is "twelve trillion, one hundred forty-three billion, two hundred twenty-three million, one hundred thousand, one hundred forty-two".