142121230122 has 8 divisors (see below), whose sum is σ = 284242460256. Its totient is φ = 47373743372.

The previous prime is 142121230061. The next prime is 142121230129. The reversal of 142121230122 is 221032121241.

It is a happy number.

142121230122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

142121230122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (142121230129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11843435838 + ... + 11843435849.

It is an arithmetic number, because the mean of its divisors is an integer number (35530307532).

Almost surely, 2^142121230122 is an apocalyptic number.

142121230122 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.

142121230122 is a wasteful number, since it uses less digits than its factorization.

142121230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23686871692.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 142121230122 its reverse (221032121241), we get a palindrome (363153351363).

The spelling of 142121230122 in words is "one hundred forty-two billion, one hundred twenty-one million, two hundred thirty thousand, one hundred twenty-two".