12212012220200 has 96 divisors (see below), whose sum is σ = 30656837836800. Its totient is φ = 4497277320960.

The previous prime is 12212012220061. The next prime is 12212012220241. The reversal of 12212012220200 is 202221021221.

It is a happy number.

It is a super-3 number, since 3×12212012220200³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5135960 + ... + 7127559.

It is an arithmetic number, because the mean of its divisors is an integer number (319342060800).

Almost surely, 2^{12212012220200} is an apocalyptic number.

12212012220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212012220200 is an abundant number, since it is smaller than the sum of its proper divisors (18444825616600).

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

12212012220200 is a wasteful number, since it uses less digits than its factorization.

12212012220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12263931 (or 12263922 counting only the distinct ones).

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

Adding to 12212012220200 its reverse (202221021221), we get a palindrome (12414233241421).

The spelling of 12212012220200 in words is "twelve trillion, two hundred twelve billion, twelve million, two hundred twenty thousand, two hundred".