12211022212110 has 64 divisors (see below), whose sum is σ = 32850891696960. Its totient is φ = 3227456010240.

The previous prime is 12211022212093. The next prime is 12211022212201. The reversal of 12211022212110 is 1121222011221.

12211022212110 is a `hidden beast` number, since 1 + 221 + 10 + 2 + 221 + 211 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200084571 + ... + 200145590.

It is an arithmetic number, because the mean of its divisors is an integer number (513295182765).

Almost surely, 2^{12211022212110} is an apocalyptic number.

12211022212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211022212110 is an abundant number, since it is smaller than the sum of its proper divisors (20639869484850).

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

12211022212110 is a wasteful number, since it uses less digits than its factorization.

12211022212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400230290 (or 400230284 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12211022212110 its reverse (1121222011221), we get a palindrome (13332244223331).

The spelling of 12211022212110 in words is "twelve trillion, two hundred eleven billion, twenty-two million, two hundred twelve thousand, one hundred ten".