100044012 has 24 divisors (see below), whose sum is σ = 238404096. Its totient is φ = 32638288.

The previous prime is 100044001. The next prime is 100044013. The reversal of 100044012 is 210440001.

It is a super-2 number, since 2×100044012² = 20017608674112288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100044013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88128 + ... + 89255.

It is an arithmetic number, because the mean of its divisors is an integer number (9933504).

Almost surely, 2^100044012 is an apocalyptic number.

100044012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100044012 is an abundant number, since it is smaller than the sum of its proper divisors (138360084).

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

100044012 is a wasteful number, since it uses less digits than its factorization.

100044012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177437 (or 177435 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 100044012 is about 10002.2003579213. The cubic root of 100044012 is about 464.2269685763.

Adding to 100044012 its reverse (210440001), we get a palindrome (310484013).

The spelling of 100044012 in words is "one hundred million, forty-four thousand, twelve".