12220120000010 has 32 divisors (see below), whose sum is σ = 23724508787280. Its totient is φ = 4505134560768.

The previous prime is 12220119999973. The next prime is 12220120000019. The reversal of 12220120000010 is 1000002102221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1972752275209 + 10247367724801 = 1404547^2 + 3201151^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12220119999946 and 12220120000000.

It is not an unprimeable number, because it can be changed into a prime (12220120000019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71891315 + ... + 72061094.

Almost surely, 2^{12220120000010} is an apocalyptic number.

12220120000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220120000010 is a deficient number, since it is larger than the sum of its proper divisors (11504388787270).

12220120000010 is a wasteful number, since it uses less digits than its factorization.

12220120000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143953082.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12220120000010 its reverse (1000002102221), we get a palindrome (13220122102231).

The spelling of 12220120000010 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, ten", and thus it is an aban number.