12131100142 has 64 divisors (see below), whose sum is σ = 23091765120. Its totient is φ = 4659572736.

The previous prime is 12131100119. The next prime is 12131100167. The reversal of 12131100142 is 24100113121.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 491808 + ... + 515884.

It is an arithmetic number, because the mean of its divisors is an integer number (360808830).

Almost surely, 2^12131100142 is an apocalyptic number.

12131100142 is a deficient number, since it is larger than the sum of its proper divisors (10960664978).

12131100142 is a wasteful number, since it uses less digits than its factorization.

12131100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24205.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12131100142 its reverse (24100113121), we get a palindrome (36231213263).

The spelling of 12131100142 in words is "twelve billion, one hundred thirty-one million, one hundred thousand, one hundred forty-two".