2001200222200 has 48 divisors (see below), whose sum is σ = 4662266897160. Its totient is φ = 798849744000.

The previous prime is 2001200222183. The next prime is 2001200222201. The reversal of 2001200222200 is 22220021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001200222201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10091211 + ... + 10287610.

Almost surely, 2^{2001200222200} is an apocalyptic number.

2001200222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001200222200 is an abundant number, since it is smaller than the sum of its proper divisors (2661066674960).

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

2001200222200 is a wasteful number, since it uses less digits than its factorization.

2001200222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20379328 (or 20379319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2001200222200 its reverse (22220021002), we get a palindrome (2023420243202).

The spelling of 2001200222200 in words is "two trillion, one billion, two hundred million, two hundred twenty-two thousand, two hundred".