12212211220200 has 144 divisors (see below), whose sum is σ = 41015511669600. Its totient is φ = 3256364496000.

The previous prime is 12212211220177. The next prime is 12212211220211. The reversal of 12212211220200 is 202211221221.

It is a happy number.

12212211220200 is a `hidden beast` number, since 1 + 2 + 21 + 221 + 1 + 220 + 200 = 666.

12212211220200 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 35 ways as a sum of consecutive naturals, for example, 26663125 + ... + 27117275.

It is an arithmetic number, because the mean of its divisors is an integer number (284829942150).

Almost surely, 2^{12212211220200} is an apocalyptic number.

12212211220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212211220200 is an abundant number, since it is smaller than the sum of its proper divisors (28803300449400).

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

12212211220200 is a wasteful number, since it uses less digits than its factorization.

12212211220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469112 (or 469100 counting only the distinct ones).

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

Adding to 12212211220200 its reverse (202211221221), we get a palindrome (12414422441421).

The spelling of 12212211220200 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred".