12143542334 has 24 divisors (see below), whose sum is σ = 22882049904. Its totient is φ = 4731249600.

The previous prime is 12143542303. The next prime is 12143542343. The reversal of 12143542334 is 43324534121.

It is a self number, because there is not a number n which added to its sum of digits gives 12143542334.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3582587 + ... + 3585974.

It is an arithmetic number, because the mean of its divisors is an integer number (953418746).

Almost surely, 2^12143542334 is an apocalyptic number.

12143542334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12143542334 is a deficient number, since it is larger than the sum of its proper divisors (10738507570).

12143542334 is a wasteful number, since it uses less digits than its factorization.

12143542334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168592 (or 7168581 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The spelling of 12143542334 in words is "twelve billion, one hundred forty-three million, five hundred forty-two thousand, three hundred thirty-four".