12143001111 has 8 divisors (see below), whose sum is σ = 17143060464. Its totient is φ = 7619137920.

The previous prime is 12143001097. The next prime is 12143001127. The reversal of 12143001111 is 11110034121.

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

It is not a de Polignac number, because 12143001111 - 2⁶ = 12143001047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143001151) 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, 119048980 + ... + 119049081.

It is an arithmetic number, because the mean of its divisors is an integer number (2142882558).

Almost surely, 2^12143001111 is an apocalyptic number.

12143001111 is a deficient number, since it is larger than the sum of its proper divisors (5000059353).

12143001111 is a wasteful number, since it uses less digits than its factorization.

12143001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238098081.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12143001111 its reverse (11110034121), we get a palindrome (23253035232).

The spelling of 12143001111 in words is "twelve billion, one hundred forty-three million, one thousand, one hundred eleven".