42130134321220 has 96 divisors (see below), whose sum is σ = 98539308193536. Its totient is φ = 15000124838400.

The previous prime is 42130134321179. The next prime is 42130134321241. The reversal of 42130134321220 is 2212343103124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1968750 + ... + 9388090.

It is an arithmetic number, because the mean of its divisors is an integer number (1026451127016).

Almost surely, 2^{42130134321220} 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 42130134321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49269654096768).

42130134321220 is an abundant number, since it is smaller than the sum of its proper divisors (56409173872316).

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

42130134321220 is a wasteful number, since it uses less digits than its factorization.

42130134321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7419901 (or 7419899 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42130134321220 its reverse (2212343103124), we get a palindrome (44342477424344).

The spelling of 42130134321220 in words is "forty-two trillion, one hundred thirty billion, one hundred thirty-four million, three hundred twenty-one thousand, two hundred twenty".