20121110010200 has 24 divisors (see below), whose sum is σ = 46781580774180. Its totient is φ = 8048444004000.

The previous prime is 20121110010191. The next prime is 20121110010203. The reversal of 20121110010200 is 201001112102.

It is a super-3 number, since 3×20121110010200³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121110010203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50302774826 + ... + 50302775225.

Almost surely, 2^{20121110010200} is an apocalyptic number.

20121110010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20121110010200 is an abundant number, since it is smaller than the sum of its proper divisors (26660470763980).

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

20121110010200 is a wasteful number, since it uses less digits than its factorization.

20121110010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100605550067 (or 100605550058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20121110010200 its reverse (201001112102), we get a palindrome (20322111122302).

The spelling of 20121110010200 in words is "twenty trillion, one hundred twenty-one billion, one hundred ten million, ten thousand, two hundred".