12002112221210 has 16 divisors (see below), whose sum is σ = 22011420904776. Its totient is φ = 4710262909248.

The previous prime is 12002112221207. The next prime is 12002112221221. The reversal of 12002112221210 is 1212221120021.

It can be written as a sum of positive squares in 4 ways, for example, as 11425555989241 + 576556231969 = 3380171^2 + 759313^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11322746849 + ... + 11322747908.

Almost surely, 2^{12002112221210} is an apocalyptic number.

12002112221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002112221210 is a deficient number, since it is larger than the sum of its proper divisors (10009308683566).

12002112221210 is a wasteful number, since it uses less digits than its factorization.

12002112221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22645494817.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12002112221210 its reverse (1212221120021), we get a palindrome (13214333341231).

The spelling of 12002112221210 in words is "twelve trillion, two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred ten".