12200122201220 has 12 divisors (see below), whose sum is σ = 25620256622604. Its totient is φ = 4880048880480.

The previous prime is 12200122201187. The next prime is 12200122201243. The reversal of 12200122201220 is 2210222100221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7944021168196 + 4256101033024 = 2818514^2 + 2063032^2 .

It is a super-2 number, since 2×12200122201220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305003055011 + ... + 305003055050.

It is an arithmetic number, because the mean of its divisors is an integer number (2135021385217).

Almost surely, 2^{12200122201220} is an apocalyptic number.

12200122201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200122201220 is an abundant number, since it is smaller than the sum of its proper divisors (13420134421384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12200122201220 is a wasteful number, since it uses less digits than its factorization.

12200122201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610006110070 (or 610006110068 counting only the distinct ones).

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

Adding to 12200122201220 its reverse (2210222100221), we get a palindrome (14410344301441).

The spelling of 12200122201220 in words is "twelve trillion, two hundred billion, one hundred twenty-two million, two hundred one thousand, two hundred twenty".