142643443012 has 12 divisors (see below), whose sum is σ = 285286886080. Its totient is φ = 61132904136.

The previous prime is 142643443009. The next prime is 142643443043. The reversal of 142643443012 is 210344346241.

142643443012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2547204312 + ... + 2547204367.

Almost surely, 2^142643443012 is an apocalyptic number.

It is an amenable number.

142643443012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142643443012 is a wasteful number, since it uses less digits than its factorization.

142643443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094408690 (or 5094408688 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 142643443012 its reverse (210344346241), we get a palindrome (352987789253).

The spelling of 142643443012 in words is "one hundred forty-two billion, six hundred forty-three million, four hundred forty-three thousand, twelve".