12000001044 has 12 divisors (see below), whose sum is σ = 28000002464. Its totient is φ = 4000000344.

The previous prime is 12000001043. The next prime is 12000001049. The reversal of 12000001044 is 44010000021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1000000087 = 12000001044 / (1 + 2 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000001043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500000032 + ... + 500000055.

Almost surely, 2^12000001044 is an apocalyptic number.

It is an amenable number.

12000001044 is an abundant number, since it is smaller than the sum of its proper divisors (16000001420).

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

12000001044 is a wasteful number, since it uses less digits than its factorization.

12000001044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000000094 (or 1000000092 counting only the distinct ones).

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

Adding to 12000001044 its reverse (44010000021), we get a palindrome (56010001065).

The spelling of 12000001044 in words is "twelve billion, one thousand, forty-four".