12002321044 has 12 divisors (see below), whose sum is σ = 24004642144. Its totient is φ = 5143851864.

The previous prime is 12002321027. The next prime is 12002321053. The reversal of 12002321044 is 44012320021.

12002321044 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214327134 + ... + 214327189.

Almost surely, 2^12002321044 is an apocalyptic number.

12002321044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12002321044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12002321044 is a wasteful number, since it uses less digits than its factorization.

12002321044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428654334 (or 428654332 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12002321044 its reverse (44012320021), we get a palindrome (56014641065).

The spelling of 12002321044 in words is "twelve billion, two million, three hundred twenty-one thousand, forty-four".