12020221122210 has 48 divisors (see below), whose sum is σ = 35717228479296. Its totient is φ = 2747479113504.

The previous prime is 12020221122193. The next prime is 12020221122241. The reversal of 12020221122210 is 1222112202021.

It is a happy number.

12020221122210 is a `hidden beast` number, since 1 + 20 + 202 + 211 + 22 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9539857404 + ... + 9539858663.

It is an arithmetic number, because the mean of its divisors is an integer number (744108926652).

Almost surely, 2^{12020221122210} is an apocalyptic number.

12020221122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020221122210 is an abundant number, since it is smaller than the sum of its proper divisors (23697007357086).

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

12020221122210 is a wasteful number, since it uses less digits than its factorization.

12020221122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19079716087 (or 19079716084 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12020221122210 its reverse (1222112202021), we get a palindrome (13242333324231).

It can be divided in two parts, 1202022 and 1122210, that added together give a palindrome (2324232).

The spelling of 12020221122210 in words is "twelve trillion, twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".