12142423141 has 4 divisors (see below), whose sum is σ = 12212610732. Its totient is φ = 12072235552.

The previous prime is 12142423129. The next prime is 12142423159. The reversal of 12142423141 is 14132424121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8478542241 + 3663880900 = 92079^2 + 60530^2 .

It is a cyclic number.

It is not a de Polignac number, because 12142423141 - 2¹⁷ = 12142292069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142423121) 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, 35093536 + ... + 35093881.

It is an arithmetic number, because the mean of its divisors is an integer number (3053152683).

Almost surely, 2^12142423141 is an apocalyptic number.

It is an amenable number.

12142423141 is a deficient number, since it is larger than the sum of its proper divisors (70187591).

12142423141 is an equidigital number, since it uses as much as digits as its factorization.

12142423141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70187590.

The product of its digits is 1536, while the sum is 25.

Adding to 12142423141 its reverse (14132424121), we get a palindrome (26274847262).

The spelling of 12142423141 in words is "twelve billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred forty-one".