100043242401242 has 32 divisors (see below), whose sum is σ = 178659221283840. Its totient is φ = 41111923040640.

The previous prime is 100043242401239. The next prime is 100043242401247. The reversal of 100043242401242 is 242104242340001.

It is a happy number.

It is a super-3 number, since 3×100043242401242³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (100043242401247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057358123 + ... + 1057452734.

It is an arithmetic number, because the mean of its divisors is an integer number (5583100665120).

Almost surely, 2^{100043242401242} is an apocalyptic number.

100043242401242 is a deficient number, since it is larger than the sum of its proper divisors (78615978882598).

100043242401242 is a wasteful number, since it uses less digits than its factorization.

100043242401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114811006.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 100043242401242 its reverse (242104242340001), we get a palindrome (342147484741243).

The spelling of 100043242401242 in words is "one hundred trillion, forty-three billion, two hundred forty-two million, four hundred one thousand, two hundred forty-two".