12143151 has 12 divisors (see below), whose sum is σ = 18572112. Its totient is φ = 7619136.

The previous prime is 12143143. The next prime is 12143161. The reversal of 12143151 is 15134121.

It is not a de Polignac number, because 12143151 - 2³ = 12143143 is a prime.

It is a super-2 number, since 2×12143151² = 294912232417602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143111) 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 11 ways as a sum of consecutive naturals, for example, 39531 + ... + 39836.

It is an arithmetic number, because the mean of its divisors is an integer number (1547676).

Almost surely, 2^12143151 is an apocalyptic number.

12143151 is a deficient number, since it is larger than the sum of its proper divisors (6428961).

12143151 is a wasteful number, since it uses less digits than its factorization.

12143151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79390 (or 79387 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 12143151 is about 3484.7024263199. The cubic root of 12143151 is about 229.8496244522.

Adding to 12143151 its reverse (15134121), we get a palindrome (27277272).

The spelling of 12143151 in words is "twelve million, one hundred forty-three thousand, one hundred fifty-one".