12020110200100 has 18 divisors (see below), whose sum is σ = 26083639134434. Its totient is φ = 4808044080000.

The previous prime is 12020110200097. The next prime is 12020110200121. The reversal of 12020110200100 is 100201102021.

It can be written as a sum of positive squares in 3 ways, for example, as 169730816256 + 11850379383844 = 411984^2 + 3442438^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60100550901 + ... + 60100551100.

Almost surely, 2^{12020110200100} is an apocalyptic number.

12020110200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020110200100 is an abundant number, since it is smaller than the sum of its proper divisors (14063528934334).

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

12020110200100 is a wasteful number, since it uses less digits than its factorization.

12020110200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120201102015 (or 120201102008 counting only the distinct ones).

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

Adding to 12020110200100 its reverse (100201102021), we get a palindrome (12120311302121).

The spelling of 12020110200100 in words is "twelve trillion, twenty billion, one hundred ten million, two hundred thousand, one hundred".