12130142 has 4 divisors (see below), whose sum is σ = 18195216. Its totient is φ = 6065070.

The previous prime is 12130109. The next prime is 12130159. The reversal of 12130142 is 24103121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3032534 + ... + 3032537.

It is an arithmetic number, because the mean of its divisors is an integer number (4548804).

Almost surely, 2^12130142 is an apocalyptic number.

12130142 is a deficient number, since it is larger than the sum of its proper divisors (6065074).

12130142 is an equidigital number, since it uses as much as digits as its factorization.

12130142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065073.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12130142 is about 3482.8353392028. The cubic root of 12130142 is about 229.7675155560.

Adding to 12130142 its reverse (24103121), we get a palindrome (36233263).

The spelling of 12130142 in words is "twelve million, one hundred thirty thousand, one hundred forty-two".