100440440012 has 24 divisors (see below), whose sum is σ = 201842034240. Its totient is φ = 43251863760.

The previous prime is 100440440003. The next prime is 100440440039. The reversal of 100440440012 is 210044044001.

It is a happy 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, 60071198 + ... + 60072869.

It is an arithmetic number, because the mean of its divisors is an integer number (8410084760).

Almost surely, 2^100440440012 is an apocalyptic number.

It is an amenable number.

100440440012 is an abundant number, since it is smaller than the sum of its proper divisors (101401594228).

100440440012 is a wasteful number, since it uses less digits than its factorization.

100440440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120144101 (or 120144099 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100440440012 its reverse (210044044001), we get a palindrome (310484484013).

It can be divided in two parts, 10044044001 and 2, that multiplied together give a palindrome (20088088002).

The spelling of 100440440012 in words is "one hundred billion, four hundred forty million, four hundred forty thousand, twelve".