10001220201200 has 60 divisors (see below), whose sum is σ = 24435184667880. Its totient is φ = 3932683188480.

The previous prime is 10001220201199. The next prime is 10001220201209. The reversal of 10001220201200 is 210202210001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001220201209) 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, 211866659 + ... + 211913858.

It is an arithmetic number, because the mean of its divisors is an integer number (407253077798).

Almost surely, 2^{10001220201200} is an apocalyptic number.

10001220201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001220201200 is an abundant number, since it is smaller than the sum of its proper divisors (14433964466680).

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

10001220201200 is a wasteful number, since it uses less digits than its factorization.

10001220201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423780594 (or 423780583 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10001220201200 its reverse (210202210001), we get a palindrome (10211422411201).

The spelling of 10001220201200 in words is "ten trillion, one billion, two hundred twenty million, two hundred one thousand, two hundred".