12143505005 has 8 divisors (see below), whose sum is σ = 14573621400. Its totient is φ = 9713860416.

The previous prime is 12143505001. The next prime is 12143505041. The reversal of 12143505005 is 50050534121.

It can be written as a sum of positive squares in 4 ways, for example, as 2550409 + 12140954596 = 1597^2 + 110186^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12143505005 - 2² = 12143505001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143505001) 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, 58610 + ... + 166499.

It is an arithmetic number, because the mean of its divisors is an integer number (1821702675).

Almost surely, 2^12143505005 is an apocalyptic number.

It is an amenable number.

12143505005 is a deficient number, since it is larger than the sum of its proper divisors (2430116395).

12143505005 is a wasteful number, since it uses less digits than its factorization.

12143505005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235903.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 12143505005 in words is "twelve billion, one hundred forty-three million, five hundred five thousand, five".