202220221221200 has 120 divisors (see below), whose sum is σ = 597949638857088. Its totient is φ = 63999366704640.

The previous prime is 202220221221199. The next prime is 202220221221233. The reversal of 202220221221200 is 2122122022202.

202220221221200 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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2777713892 + ... + 2777786691.

Almost surely, 2^{202220221221200} is an apocalyptic number.

202220221221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220221221200 is an abundant number, since it is smaller than the sum of its proper divisors (395729417635888).

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

202220221221200 is a wasteful number, since it uses less digits than its factorization.

202220221221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555500621 (or 5555500610 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202220221221200 its reverse (2122122022202), we get a palindrome (204342343243402).

The spelling of 202220221221200 in words is "two hundred two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred".