12102020102000 has 160 divisors (see below), whose sum is σ = 31010083977600. Its totient is φ = 4559885568000.

The previous prime is 12102020101993. The next prime is 12102020102009. The reversal of 12102020102000 is 20102020121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102020102009) 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 31 ways as a sum of consecutive naturals, for example, 166580 + ... + 4922579.

It is an arithmetic number, because the mean of its divisors is an integer number (193813024860).

Almost surely, 2^{12102020102000} is an apocalyptic number.

12102020102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102020102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15505041988800).

12102020102000 is an abundant number, since it is smaller than the sum of its proper divisors (18908063875600).

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

12102020102000 is a wasteful number, since it uses less digits than its factorization.

12102020102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089252 (or 5089236 counting only the distinct ones).

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

Adding to 12102020102000 its reverse (20102020121), we get a palindrome (12122122122121).

The spelling of 12102020102000 in words is "twelve trillion, one hundred two billion, twenty million, one hundred two thousand".