12201220222200 has 288 divisors, whose sum is σ = 44882179477200. Its totient is φ = 2956671406080.

The previous prime is 12201220222129. The next prime is 12201220222231. The reversal of 12201220222200 is 222202210221.

12201220222200 is a `hidden beast` number, since 1 + 2 + 20 + 1 + 220 + 222 + 200 = 666.

12201220222200 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5987302 + ... + 7762101.

Almost surely, 2^{12201220222200} is an apocalyptic number.

12201220222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201220222200 is an abundant number, since it is smaller than the sum of its proper divisors (32680959255000).

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

12201220222200 is a wasteful number, since it uses less digits than its factorization.

12201220222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13749471 (or 13749459 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12201220222200 its reverse (222202210221), we get a palindrome (12423422432421).

The spelling of 12201220222200 in words is "twelve trillion, two hundred one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred".