42123324241012 has 96 divisors (see below), whose sum is σ = 89721941299200. Its totient is φ = 17264419492320.

The previous prime is 42123324240983. The next prime is 42123324241073. The reversal of 42123324241012 is 21014242332124.

It is a super-2 number, since 2×42123324241012² (a number of 28 digits) contains 22 as substring.

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, 157235937 + ... + 157503607.

It is an arithmetic number, because the mean of its divisors is an integer number (934603555200).

Almost surely, 2^{42123324241012} 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 42123324241012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44860970649600).

42123324241012 is an abundant number, since it is smaller than the sum of its proper divisors (47598617058188).

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

42123324241012 is a wasteful number, since it uses less digits than its factorization.

42123324241012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272706 (or 272690 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 42123324241012 its reverse (21014242332124), we get a palindrome (63137566573136).

The spelling of 42123324241012 in words is "forty-two trillion, one hundred twenty-three billion, three hundred twenty-four million, two hundred forty-one thousand, twelve".