142120122140124 has 96 divisors (see below), whose sum is σ = 369971447408640. Its totient is φ = 47179098592704.

The previous prime is 142120122140111. The next prime is 142120122140153. The reversal of 142120122140124 is 421041221021241.

142120122140124 is a `hidden beast` number, since 1 + 4 + 2 + 12 + 0 + 1 + 221 + 401 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 94206214 + ... + 95702930.

It is an arithmetic number, because the mean of its divisors is an integer number (3853869243840).

Almost surely, 2^{142120122140124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142120122140124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184985723704320).

142120122140124 is an abundant number, since it is smaller than the sum of its proper divisors (227851325268516).

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

142120122140124 is a wasteful number, since it uses less digits than its factorization.

142120122140124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500336 (or 1500328 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 142120122140124 its reverse (421041221021241), we get a palindrome (563161343161365).

The spelling of 142120122140124 in words is "one hundred forty-two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred forty thousand, one hundred twenty-four".