142121433204222 has 16 divisors (see below), whose sum is σ = 284242984913280. Its totient is φ = 47373791317272.

The previous prime is 142121433204199. The next prime is 142121433204239. The reversal of 142121433204222 is 222402334121241.

It is a congruent number.

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, 21742479 + ... + 27513237.

It is an arithmetic number, because the mean of its divisors is an integer number (17765186557080).

Almost surely, 2^{142121433204222} is an apocalyptic number.

142121433204222 is an abundant number, since it is smaller than the sum of its proper divisors (142121551709058).

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

142121433204222 is a wasteful number, since it uses less digits than its factorization.

142121433204222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875407.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 142121433204222 its reverse (222402334121241), we get a palindrome (364523767325463).

The spelling of 142121433204222 in words is "one hundred forty-two trillion, one hundred twenty-one billion, four hundred thirty-three million, two hundred four thousand, two hundred twenty-two".