12000100044 has 24 divisors (see below), whose sum is σ = 28046995200. Its totient is φ = 3993353104.

The previous prime is 12000100033. The next prime is 12000100061. The reversal of 12000100044 is 44000100021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827544 + ... + 841919.

It is an arithmetic number, because the mean of its divisors is an integer number (1168624800).

Almost surely, 2^12000100044 is an apocalyptic number.

It is an amenable number.

12000100044 is an abundant number, since it is smaller than the sum of its proper divisors (16046895156).

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

12000100044 is a wasteful number, since it uses less digits than its factorization.

12000100044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670069 (or 1670067 counting only the distinct ones).

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

Adding to 12000100044 its reverse (44000100021), we get a palindrome (56000200065).

The spelling of 12000100044 in words is "twelve billion, one hundred thousand, forty-four".