142122250122 has 16 divisors (see below), whose sum is σ = 284253963552. Its totient is φ = 47372506160.

The previous prime is 142122250121. The next prime is 142122250177. The reversal of 142122250122 is 221052221241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142122250092 and 142122250101.

It is not an unprimeable number, because it can be changed into a prime (142122250121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191004 + ... + 566327.

It is an arithmetic number, because the mean of its divisors is an integer number (17765872722).

Almost surely, 2^142122250122 is an apocalyptic number.

142122250122 is an abundant number, since it is smaller than the sum of its proper divisors (142131713430).

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

142122250122 is a wasteful number, since it uses less digits than its factorization.

142122250122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788613.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 142122250122 its reverse (221052221241), we get a palindrome (363174471363).

The spelling of 142122250122 in words is "one hundred forty-two billion, one hundred twenty-two million, two hundred fifty thousand, one hundred twenty-two".