142122204331112 has 128 divisors (see below), whose sum is σ = 295980289228800. Its totient is φ = 63692622486528.

The previous prime is 142122204331091. The next prime is 142122204331193. The reversal of 142122204331112 is 211133402221241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71304089 + ... + 73270167.

It is an arithmetic number, because the mean of its divisors is an integer number (2312346009600).

Almost surely, 2^{142122204331112} is an apocalyptic number.

It is an amenable number.

142122204331112 is an abundant number, since it is smaller than the sum of its proper divisors (153858084897688).

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

142122204331112 is a wasteful number, since it uses less digits than its factorization.

142122204331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966455 (or 1966451 counting only the distinct ones).

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

Adding to 142122204331112 its reverse (211133402221241), we get a palindrome (353255606552353).

The spelling of 142122204331112 in words is "one hundred forty-two trillion, one hundred twenty-two billion, two hundred four million, three hundred thirty-one thousand, one hundred twelve".