12142130 has 64 divisors (see below), whose sum is σ = 29369088. Its totient is φ = 3490560.

The previous prime is 12142129. The next prime is 12142139. The reversal of 12142130 is 3124121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12142139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9404 + ... + 10616.

It is an arithmetic number, because the mean of its divisors is an integer number (458892).

Almost surely, 2^12142130 is an apocalyptic number.

12142130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142130 is an abundant number, since it is smaller than the sum of its proper divisors (17226958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12142130 is a wasteful number, since it uses less digits than its factorization.

12142130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

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

The square root of 12142130 is about 3484.5559257960. Note that the first 3 decimals coincide. The cubic root of 12142130 is about 229.8431823285.

Adding to 12142130 its reverse (3124121), we get a palindrome (15266251).

Subtracting from 12142130 its reverse (3124121), we obtain a square (9018009 = 3003²).

The spelling of 12142130 in words is "twelve million, one hundred forty-two thousand, one hundred thirty".