100420234112 has 64 divisors (see below), whose sum is σ = 218762521200. Its totient is φ = 45536870400.

The previous prime is 100420234069. The next prime is 100420234181. The reversal of 100420234112 is 211432024001.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508064 + ... + 677472.

Almost surely, 2^100420234112 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 100420234112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109381260600).

100420234112 is an abundant number, since it is smaller than the sum of its proper divisors (118342287088).

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

100420234112 is a wasteful number, since it uses less digits than its factorization.

100420234112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169855 (or 169843 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100420234112 its reverse (211432024001), we get a palindrome (311852258113).

The spelling of 100420234112 in words is "one hundred billion, four hundred twenty million, two hundred thirty-four thousand, one hundred twelve".