12004334643626 has 16 divisors (see below), whose sum is σ = 20532300884424. Its totient is φ = 5214552605184.

The previous prime is 12004334643607. The next prime is 12004334643641. The reversal of 12004334643626 is 62634643340021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6487947651025 + 5516386992601 = 2547145^2 + 2348699^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13579563635 + ... + 13579564518.

Almost surely, 2^{12004334643626} is an apocalyptic number.

12004334643626 is a deficient number, since it is larger than the sum of its proper divisors (8527966240798).

12004334643626 is a wasteful number, since it uses less digits than its factorization.

12004334643626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27159128185.

The product of its (nonzero) digits is 1492992, while the sum is 44.

Adding to 12004334643626 its reverse (62634643340021), we get a palindrome (74638977983647).

The spelling of 12004334643626 in words is "twelve trillion, four billion, three hundred thirty-four million, six hundred forty-three thousand, six hundred twenty-six".