142221300431124 has 12 divisors (see below), whose sum is σ = 331849701005984. Its totient is φ = 47407100143704.

The previous prime is 142221300431101. The next prime is 142221300431131. The reversal of 142221300431124 is 421134003122241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 142221300431091 and 142221300431100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5925887517952 + ... + 5925887517975.

Almost surely, 2^{142221300431124} is an apocalyptic number.

It is an amenable number.

142221300431124 is an abundant number, since it is smaller than the sum of its proper divisors (189628400574860).

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

142221300431124 is a wasteful number, since it uses less digits than its factorization.

142221300431124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11851775035934 (or 11851775035932 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 142221300431124 its reverse (421134003122241), we get a palindrome (563355303553365).

The spelling of 142221300431124 in words is "one hundred forty-two trillion, two hundred twenty-one billion, three hundred million, four hundred thirty-one thousand, one hundred twenty-four".