12142231140131 has 4 divisors (see below), whose sum is σ = 12781295937000. Its totient is φ = 11503166343264.

The previous prime is 12142231140059. The next prime is 12142231140157. The reversal of 12142231140131 is 13104113224121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12142231140131 - 2¹⁰ = 12142231139107 is a prime.

It is a super-2 number, since 2×12142231140131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12142231140131.

It is not an unprimeable number, because it can be changed into a prime (12142231940131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319532398406 + ... + 319532398443.

It is an arithmetic number, because the mean of its divisors is an integer number (3195323984250).

Almost surely, 2^{12142231140131} is an apocalyptic number.

12142231140131 is a deficient number, since it is larger than the sum of its proper divisors (639064796869).

12142231140131 is an equidigital number, since it uses as much as digits as its factorization.

12142231140131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639064796868.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 12142231140131 its reverse (13104113224121), we get a palindrome (25246344364252).

The spelling of 12142231140131 in words is "twelve trillion, one hundred forty-two billion, two hundred thirty-one million, one hundred forty thousand, one hundred thirty-one".