142042121431120 has 160 divisors (see below), whose sum is σ = 342238323024000. Its totient is φ = 54760974428160.

The previous prime is 142042121431079. The next prime is 142042121431151. The reversal of 142042121431120 is 21134121240241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3469583611 + ... + 3469624549.

It is an arithmetic number, because the mean of its divisors is an integer number (2138989518900).

Almost surely, 2^{142042121431120} is an apocalyptic number.

142042121431120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142042121431120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171119161512000).

142042121431120 is an abundant number, since it is smaller than the sum of its proper divisors (200196201592880).

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

142042121431120 is a wasteful number, since it uses less digits than its factorization.

142042121431120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43581 (or 43575 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 142042121431120 its reverse (21134121240241), we get a palindrome (163176242671361).

The spelling of 142042121431120 in words is "one hundred forty-two trillion, forty-two billion, one hundred twenty-one million, four hundred thirty-one thousand, one hundred twenty".