142120104403212 has 144 divisors (see below), whose sum is σ = 393490944756000. Its totient is φ = 42982504823808.

The previous prime is 142120104403181. The next prime is 142120104403237. The reversal of 142120104403212 is 212304401021241.

142120104403212 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 2 + 0 + 1 + 0 + 440 + 3 + 212 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214739464 + ... + 215400272.

It is an arithmetic number, because the mean of its divisors is an integer number (2732576005250).

Almost surely, 2^{142120104403212} is an apocalyptic number.

142120104403212 is a gapful number since it is divisible by the number (12) 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 142120104403212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196745472378000).

142120104403212 is an abundant number, since it is smaller than the sum of its proper divisors (251370840352788).

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

142120104403212 is a wasteful number, since it uses less digits than its factorization.

142120104403212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668680 (or 668675 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 142120104403212 its reverse (212304401021241), we get a palindrome (354424505424453).

The spelling of 142120104403212 in words is "one hundred forty-two trillion, one hundred twenty billion, one hundred four million, four hundred three thousand, two hundred twelve".