142440441122 has 16 divisors (see below), whose sum is σ = 249166953600. Its totient is φ = 61045903044.

The previous prime is 142440441107. The next prime is 142440441151. The reversal of 142440441122 is 221144044241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103818878 + ... + 103820249.

It is an arithmetic number, because the mean of its divisors is an integer number (15572934600).

Almost surely, 2^142440441122 is an apocalyptic number.

142440441122 is a deficient number, since it is larger than the sum of its proper divisors (106726512478).

142440441122 is an equidigital number, since it uses as much as digits as its factorization.

142440441122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207639150 (or 207639136 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 142440441122 its reverse (221144044241), we get a palindrome (363584485363).

The spelling of 142440441122 in words is "one hundred forty-two billion, four hundred forty million, four hundred forty-one thousand, one hundred twenty-two".