12210201121220 has 48 divisors (see below), whose sum is σ = 25728952529280. Its totient is φ = 4867433254656.

The previous prime is 12210201121207. The next prime is 12210201121253. The reversal of 12210201121220 is 2212110201221.

It is a super-2 number, since 2×12210201121220² (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 15 ways as a sum of consecutive naturals, for example, 6965264 + ... + 8540216.

It is an arithmetic number, because the mean of its divisors is an integer number (536019844360).

Almost surely, 2^{12210201121220} is an apocalyptic number.

12210201121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210201121220 is an abundant number, since it is smaller than the sum of its proper divisors (13518751408060).

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

12210201121220 is a wasteful number, since it uses less digits than its factorization.

12210201121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576284 (or 1576282 counting only the distinct ones).

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

Adding to 12210201121220 its reverse (2212110201221), we get a palindrome (14422311322441).

The spelling of 12210201121220 in words is "twelve trillion, two hundred ten billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty".