12100011200020 has 12 divisors (see below), whose sum is σ = 25410023520084. Its totient is φ = 4840004480000.

The previous prime is 12100011200009. The next prime is 12100011200027. The reversal of 12100011200020 is 2000211000121.

It can be written as a sum of positive squares in 2 ways, for example, as 2976929242884 + 9123081957136 = 1725378^2 + 3020444^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100011200027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302500279981 + ... + 302500280020.

It is an arithmetic number, because the mean of its divisors is an integer number (2117501960007).

Almost surely, 2^{12100011200020} is an apocalyptic number.

12100011200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100011200020 is an abundant number, since it is smaller than the sum of its proper divisors (13310012320064).

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

12100011200020 is a wasteful number, since it uses less digits than its factorization.

12100011200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605000560010 (or 605000560008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12100011200020 its reverse (2000211000121), we get a palindrome (14100222200141).

The spelling of 12100011200020 in words is "twelve trillion, one hundred billion, eleven million, two hundred thousand, twenty".