12200143 has 16 divisors (see below), whose sum is σ = 13381632. Its totient is φ = 11088000.

The previous prime is 12200137. The next prime is 12200171. The reversal of 12200143 is 34100221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50503 + ... + 50743.

It is an arithmetic number, because the mean of its divisors is an integer number (836352).

Almost surely, 2^12200143 is an apocalyptic number.

12200143 is a deficient number, since it is larger than the sum of its proper divisors (1181489).

12200143 is a wasteful number, since it uses less digits than its factorization.

12200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12200143 is about 3492.8703096451. The cubic root of 12200143 is about 230.2086512384.

Adding to 12200143 its reverse (34100221), we get a palindrome (46300364).

The spelling of 12200143 in words is "twelve million, two hundred thousand, one hundred forty-three".