12142013142 has 32 divisors (see below), whose sum is σ = 28430083584. Its totient is φ = 3384532800.

The previous prime is 12142013069. The next prime is 12142013153. The reversal of 12142013142 is 24131024121.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 3523834 + ... + 3527277.

It is an arithmetic number, because the mean of its divisors is an integer number (888440112).

Almost surely, 2^12142013142 is an apocalyptic number.

12142013142 is an abundant number, since it is smaller than the sum of its proper divisors (16288070442).

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

12142013142 is a wasteful number, since it uses less digits than its factorization.

12142013142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051164.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12142013142 its reverse (24131024121), we get a palindrome (36273037263).

The spelling of 12142013142 in words is "twelve billion, one hundred forty-two million, thirteen thousand, one hundred forty-two".