12036002646 has 16 divisors (see below), whose sum is σ = 24902074800. Its totient is φ = 3873655968.

The previous prime is 12036002623. The next prime is 12036002647. The reversal of 12036002646 is 64620063021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12036002647) by changing a digit.

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, 34586041 + ... + 34586388.

It is an arithmetic number, because the mean of its divisors is an integer number (1556379675).

Almost surely, 2^12036002646 is an apocalyptic number.

12036002646 is an abundant number, since it is smaller than the sum of its proper divisors (12866072154).

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

12036002646 is a wasteful number, since it uses less digits than its factorization.

12036002646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69172463.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 12036002646 its reverse (64620063021), we get a palindrome (76656065667).

The spelling of 12036002646 in words is "twelve billion, thirty-six million, two thousand, six hundred forty-six".