142272126122 has 72 divisors (see below), whose sum is σ = 273173594400. Its totient is φ = 55252734768.

The previous prime is 142272126079. The next prime is 142272126169. The reversal of 142272126122 is 221621272241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 912779 + ... + 1057217.

It is an arithmetic number, because the mean of its divisors is an integer number (3794077700).

Almost surely, 2^142272126122 is an apocalyptic number.

142272126122 is a deficient number, since it is larger than the sum of its proper divisors (130901468278).

142272126122 is a wasteful number, since it uses less digits than its factorization.

142272126122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144520 (or 144490 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

Adding to 142272126122 its reverse (221621272241), we get a palindrome (363893398363).

The spelling of 142272126122 in words is "one hundred forty-two billion, two hundred seventy-two million, one hundred twenty-six thousand, one hundred twenty-two".