20102112201200 has 120 divisors (see below), whose sum is σ = 50239795719600. Its totient is φ = 7720201646080.

The previous prime is 20102112201179. The next prime is 20102112201211. The reversal of 20102112201200 is 210221120102.

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, 2764217 + ... + 6917016.

It is an arithmetic number, because the mean of its divisors is an integer number (418664964330).

Almost surely, 2^{20102112201200} is an apocalyptic number.

20102112201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102112201200 is an abundant number, since it is smaller than the sum of its proper divisors (30137683518400).

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

20102112201200 is a wasteful number, since it uses less digits than its factorization.

20102112201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681459 (or 9681448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102112201200 its reverse (210221120102), we get a palindrome (20312333321302).

The spelling of 20102112201200 in words is "twenty trillion, one hundred two billion, one hundred twelve million, two hundred one thousand, two hundred".