12021222102210 has 80 divisors (see below), whose sum is σ = 32324763024576. Its totient is φ = 3205556832672.

The previous prime is 12021222102179. The next prime is 12021222102293. The reversal of 12021222102210 is 1220122212021.

It is a happy number.

12021222102210 is a `hidden beast` number, since 1 + 20 + 212 + 2 + 210 + 221 + 0 = 666.

12021222102210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39 ways as a sum of consecutive naturals, for example, 27079257 + ... + 27519603.

Almost surely, 2^{12021222102210} is an apocalyptic number.

12021222102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021222102210 is an abundant number, since it is smaller than the sum of its proper divisors (20303540922366).

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

12021222102210 is a wasteful number, since it uses less digits than its factorization.

12021222102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474069 (or 474060 counting only the distinct ones).

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

Adding to 12021222102210 its reverse (1220122212021), we get a palindrome (13241344314231).

The spelling of 12021222102210 in words is "twelve trillion, twenty-one billion, two hundred twenty-two million, one hundred two thousand, two hundred ten".