12001220222210 has 16 divisors (see below), whose sum is σ = 22739154105600. Its totient is φ = 4547830820976.

The previous prime is 12001220222207. The next prime is 12001220222213. The reversal of 12001220222210 is 1222202210021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12001220222207) and next prime (12001220222213).

It is not an unprimeable number, because it can be changed into a prime (12001220222213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31582158290 + ... + 31582158669.

It is an arithmetic number, because the mean of its divisors is an integer number (1421197131600).

Almost surely, 2^{12001220222210} is an apocalyptic number.

12001220222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001220222210 is a deficient number, since it is larger than the sum of its proper divisors (10737933883390).

12001220222210 is a wasteful number, since it uses less digits than its factorization.

12001220222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63164316985.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12001220222210 its reverse (1222202210021), we get a palindrome (13223422432231).

The spelling of 12001220222210 in words is "twelve trillion, one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred ten".