142012421043131 has 4 divisors (see below), whose sum is σ = 146593466883264. Its totient is φ = 137431375203000.

The previous prime is 142012421043127. The next prime is 142012421043167. The reversal of 142012421043131 is 131340124210241.

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 142012421043131 - 2² = 142012421043127 is a prime.

It is a super-2 number, since 2×142012421043131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142012421043094 and 142012421043103.

It is not an unprimeable number, because it can be changed into a prime (142012421043121) 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, 2290522920020 + ... + 2290522920081.

It is an arithmetic number, because the mean of its divisors is an integer number (36648366720816).

Almost surely, 2^{142012421043131} is an apocalyptic number.

142012421043131 is a deficient number, since it is larger than the sum of its proper divisors (4581045840133).

142012421043131 is an equidigital number, since it uses as much as digits as its factorization.

142012421043131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581045840132.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 142012421043131 its reverse (131340124210241), we get a palindrome (273352545253372).

The spelling of 142012421043131 in words is "one hundred forty-two trillion, twelve billion, four hundred twenty-one million, forty-three thousand, one hundred thirty-one".