12044213676 has 150 divisors (see below), whose sum is σ = 34647974900. Its totient is φ = 3648324240.

The previous prime is 12044213663. The next prime is 12044213681. The reversal of 12044213676 is 67631244021.

12044213676 is a `hidden beast` number, since 12 + 0 + 442 + 136 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12044213676.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 4742415 + ... + 4744953.

Almost surely, 2^12044213676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12044213676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17323987450).

12044213676 is an abundant number, since it is smaller than the sum of its proper divisors (22603761224).

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

12044213676 is an equidigital number, since it uses as much as digits as its factorization.

12044213676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 12044213676 its reverse (67631244021), we get a palindrome (79675457697).

The spelling of 12044213676 in words is "twelve billion, forty-four million, two hundred thirteen thousand, six hundred seventy-six".