12002211122210 has 16 divisors (see below), whose sum is σ = 21604022292600. Its totient is φ = 4800875054976.

The previous prime is 12002211122191. The next prime is 12002211122221. The reversal of 12002211122210 is 1222111220021.

It can be written as a sum of positive squares in 4 ways, for example, as 11196900515329 + 805310606881 = 3346177^2 + 897391^2 .

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, 6717656 + ... + 8314524.

Almost surely, 2^{12002211122210} is an apocalyptic number.

12002211122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002211122210 is a deficient number, since it is larger than the sum of its proper divisors (9601811170390).

12002211122210 is a wasteful number, since it uses less digits than its factorization.

12002211122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348485.

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

Adding to 12002211122210 its reverse (1222111220021), we get a palindrome (13224322342231).

The spelling of 12002211122210 in words is "twelve trillion, two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred ten".