12143051 has 4 divisors (see below), whose sum is σ = 12152400. Its totient is φ = 12133704.

The previous prime is 12143023. The next prime is 12143063. The reversal of 12143051 is 15034121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12143051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12143251) 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 3 ways as a sum of consecutive naturals, for example, 2336 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (3038100).

Almost surely, 2^12143051 is an apocalyptic number.

12143051 is a deficient number, since it is larger than the sum of its proper divisors (9349).

12143051 is an equidigital number, since it uses as much as digits as its factorization.

12143051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12143051 is about 3484.6880778629. The cubic root of 12143051 is about 229.8489935060.

Adding to 12143051 its reverse (15034121), we get a palindrome (27177172).

The spelling of 12143051 in words is "twelve million, one hundred forty-three thousand, fifty-one".