100544445012 has 96 divisors (see below), whose sum is σ = 264867926400. Its totient is φ = 29405017600.

The previous prime is 100544445011. The next prime is 100544445109. The reversal of 100544445012 is 210544445001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544445011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13244914 + ... + 13252502.

It is an arithmetic number, because the mean of its divisors is an integer number (2759040900).

Almost surely, 2^100544445012 is an apocalyptic number.

100544445012 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 100544445012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132433963200).

100544445012 is an abundant number, since it is smaller than the sum of its proper divisors (164323481388).

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

100544445012 is a wasteful number, since it uses less digits than its factorization.

100544445012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11097 (or 11095 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 100544445012 in words is "one hundred billion, five hundred forty-four million, four hundred forty-five thousand, twelve".