12143300534 has 16 divisors (see below), whose sum is σ = 18990232272. Its totient is φ = 5818551648.

The previous prime is 12143300503. The next prime is 12143300567. The reversal of 12143300534 is 43500334121.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1327529 + ... + 1336644.

It is an arithmetic number, because the mean of its divisors is an integer number (1186889517).

Almost surely, 2^12143300534 is an apocalyptic number.

12143300534 is a deficient number, since it is larger than the sum of its proper divisors (6846931738).

12143300534 is a wasteful number, since it uses less digits than its factorization.

12143300534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664271.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12143300534 its reverse (43500334121), we get a palindrome (55643634655).

The spelling of 12143300534 in words is "twelve billion, one hundred forty-three million, three hundred thousand, five hundred thirty-four".