12012012210010 has 24 divisors (see below), whose sum is σ = 22968297400860. Its totient is φ = 4522169301504.

The previous prime is 12012012210007. The next prime is 12012012210047. The reversal of 12012012210010 is 1001221021021.

It can be written as a sum of positive squares in 6 ways, for example, as 8048620066081 + 3963392143929 = 2837009^2 + 1990827^2 .

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 11 ways as a sum of consecutive naturals, for example, 2078199915 + ... + 2078205694.

Almost surely, 2^{12012012210010} is an apocalyptic number.

12012012210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012012210010 is a deficient number, since it is larger than the sum of its proper divisors (10956285190850).

12012012210010 is a wasteful number, since it uses less digits than its factorization.

12012012210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156405650 (or 4156405633 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012012210010 its reverse (1001221021021), we get a palindrome (13013233231031).

The spelling of 12012012210010 in words is "twelve trillion, twelve billion, twelve million, two hundred ten thousand, ten".