12142130231 has 16 divisors (see below), whose sum is σ = 15152271360. Its totient is φ = 9452630880.

The previous prime is 12142130219. The next prime is 12142130317. The reversal of 12142130231 is 13203124121.

It is a de Polignac number, because none of the positive numbers 2^k-12142130231 is a prime.

It is a super-2 number, since 2×12142130231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142130131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11165 + ... + 156233.

It is an arithmetic number, because the mean of its divisors is an integer number (947016960).

Almost surely, 2^12142130231 is an apocalyptic number.

12142130231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12142130231 is a deficient number, since it is larger than the sum of its proper divisors (3010141129).

12142130231 is a wasteful number, since it uses less digits than its factorization.

12142130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146174.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12142130231 its reverse (13203124121), we get a palindrome (25345254352).

The spelling of 12142130231 in words is "twelve billion, one hundred forty-two million, one hundred thirty thousand, two hundred thirty-one".